Showing posts with label Antimatter. Show all posts
Showing posts with label Antimatter. Show all posts

Sunday, September 9, 2012

My Top Astronomical Anomalies: A List

The Universe is filled with mystery. There are a myriad of things that are, but shouldn’t be, or probably shouldn’t be. Adequate explanations are not only lacking, but even the wildest possible theoretical explanations are rather thin on the ground. There often tends to be a massive divide between observation and theory. These anomalies run the range from the Universe as a whole, down to your local neck of the woods, well the solar system anyway. Here are a few my favourite astronomical anomalies.

THE BIG BANG EVENT: This is no doubt a concept that nearly everyone has heard about, and swallowed hook, line and cosmological sinker because scientists present this creation of the Universe scenario as fact. It’s not fact; just the most viable theory of many theories and it has serious flaws. The accepted theoretical account of the creation or event that kick-started our Universe off not only has that event a something that created all of matter and energy, but all of time and space as well, and this creation event, to boot, all took place in a volume less than that of a pinhead (something in the realm of the quantum) and for no apparent reason at all. First there was nothing; then there was something. Wow!

At best observations that support this are indirect being made some 13.7 billion years after-the-fact. Those indirect observations that provide evidence for the Big Bang event are the fact that the Universe is expanding; the Universe has a temperature – the remnants from the hot Big Bang called the cosmic microwave background radiation (CMBR) and the amounts and ratio of hydrogen to helium. In reality there are no direct observations as nobody was present at Ground Zero all those billions of years ago.

There are really a couple of anomalies present in the standard Big Bang account. 1) You have a violation of causality – something (space, time, matter and energy) created from nothing which is a violation of several conservation laws or relationships. 2) You have a violation of pure common sense that tells you that you can not stuff the contents of the entire Universe into the realm of the quantum, something actually way less in volume in fact than a pinhead. If that’s not anomalous, I don’t know what is!

ACCELERATING UNIVERSE: The anomaly here is quite straightforward in that there’s considerable observational evidence that the expansion rate of the Universe is accelerating. However, logic dictates that because of the overall gravity that the Universe has, the expansion rate of the Universe should be decelerating. The ‘antigravity’ energy required to accelerate the Universe’s expansion has to come from somewhere, and in ever increasing amounts to keep on keeping on the ever increasing rate of acceleration, yet, the Universe, almost by definition, already contains all there is and ever will be. If extra ‘antigravity’ energy is being created, it’s being created out of nothing. Something from nothing is a clear violation of the basic conservation laws and principles that form the bedrock of modern science.  

DARK ENERGY & DARK MATTER: When considering all things cosmological, it’s become apparent that astronomers only observe about 4% of the matter plus energy that should be present. That is, about 96% of the matter plus energy that should be present and detectable to account for the observed behaviour of our observable universe is missing! Now 1% might be understandable given measurement uncertainty (error bars), but hardly 96%! So, cosmologists have postulated concepts termed ‘dark matter’ and ‘dark energy’ to make up the deficit. However, nobody has the foggiest idea what exactly ‘dark matter’ and ‘dark energy’ actually is. Neither has actually been detected either out there on in the laboratory down here – obviously. The anomaly here is that ‘dark matter’ and ‘dark energy’ are both ad hoc theoretical concepts to make sense of various astronomical observations, but without benefit of any actual observation of ‘dark matter’ and/or ‘dark energy ’to back things up. That’s a rather slight-of-hand trick, and until cosmologists put actual observational money on the board where their theoretical mouth is, it’s all an anomalous pie-in-the-cosmic-sky.

MATTER-ANTIMATTER RATIO: In our Universe, there should theoretically be equal amounts of matter and antimatter created at the time of the Big Bang, but there’s not. We observe a Universe made out of matter. Our antimatter has gone walkabout. Why is it so? That question illustrates a big anomaly that doesn’t have a really satisfying answer. Mother Nature shouldn’t favour one form of matter over the other, yet apparently that’s the case. Perhaps that’s just as well. A Universe that’s 50% matter and 50% antimatter will ultimately become a Universe of just 100% radiation or energy, and thus no material you and no material me.

MONOPOLES: We all know about magnetic fields having two sides, whether it’s a bar magnet or the Earth’s magnetic field (or those part and parcel of many other astronomical bodies) – there’s a south pole and a north pole; a positive and a negative. It will probably come as a surprise that there should also be a monopole – a magnet with just one pole, north OR south; positive OR negative. That’s because one of the many Big Bang ‘in the beginning’ predictions of all things theoretical is the existence of magnetic monopoles – magnets with either a south pole or a north pole, but not both. Alas, we’ve never ever found and confirmed the reality of even one monopole, so theoretical prediction and observation are not in harmony. In other words, an anomaly exists.

QUASARS: Quasars are ‘quasi-stellar objects’. They are ‘stellar’ because they aren’t all that large (like a galaxy). They are ‘quasi’ because they give off energy way, way, way more times greater than any star known in any astronomical catalogue. They seem to be primordial objects – they formed long ago and are now far away.  Quasars, like stars or galaxies, are their own entities and if two or more show a very close and special causality relationships then they should show identical recessional velocities (since the Universe is expanding and they are part of the Universe and that expansion). Recessional velocities are measured by an object’s red-shift. Theory identifies red-shift with velocity. However, you apparently have some observations of causality connected quasar pairs with vastly differing red-shifts (measurements of their recessional velocities). The anomaly, in an analogy, is that you can not have a runner running at 15 miles per hour holding hands with another runner running at 3 miles per hour!

NEITH: Neith is, or was, the now-you-see-it-now-you-don’t. now-forever-lost satellite of our twin planet (in size if nothing else), Venus. The anomaly here is that bona-fide professional astronomers, not one but numerous celebrated astronomers, including Giovanni Cassini (1625-1712), sighted, noted and logged the existence of the damn thing and wrote up their findings in their professional journals. Okay, the time period was the mid-1600s to mid-1700s, but the professional eyeballs and the professional equipment was good enough to verify one way or the other the presence or absence of a reasonably sized natural satellite in orbit around Venus.

Of over thirty sightings of Neith, the best known and verified were in 1645, 1672, 1686, 1740, 1759, 1761 and 1764 (multiple sightings on numerous days in March). Observations over that stretch of period would seemingly rule out the ‘satellite’ being a faint star or asteroid or outer planet like Uranus or Neptune that just happened to be way beyond Venus but in the direct line of sight. Sometimes the observed phase of Neith matched the phase of Venus, which again suggests that the object was in close proximity to the planet.

Venus, inward and closer to the Sun than Earth, is a very visible and prominent celestial object when viewed from Earth, commonly called the Morning and Evening ‘Star’. We’ve all seen Venus; in fact if you know exactly where to look it can be seen in the daytime sky. Venus is far enough away from the Sun that the Sun’s glare doesn’t drown out reflected light from Venus, and presumably any objects near or in orbit around Venus. A natural satellite of Venus of any reasonable size should be readily detectable with the astronomical equipment available at the time. And so it really didn’t raise any astronomical eyebrows when Neith was in fact discovered. The anomaly here is that all and sundry were wrong. Neith doesn’t exist. Venus has no natural satellite(s). Now either all and sundry were totally incompetent and wouldn’t know one end of a telescope from the other, or else Neith really existed but somehow exited the local neighbourhood. If that’s the case, then Neith wasn’t natural at all but under intelligent control, and not by any terrestrial intelligence. What Neith was, and where it disappeared to, are major anomalies. 

From the examples above, I conclude that it almost seems as if someone (something) is ultimately responsible for our Universe, but he / she/ it / they didn’t quite think things through sufficiently. Methinks an all knowing, all powerful supernatural God type being wouldn’t have stuffed things up. So either the Universe is naturally stuffed up, or it was created stuffed up!

Monday, January 16, 2012

Tunguska (1908): A Natural or Unnatural Event?

Assuming one or more extraterrestrial civilizations with advanced, interstellar spaceflight capability exists; then they know about Planet Earth. Say ‘hi’ to those pesky UFOs. If UFOs aren’t mystery enough, there’s that enigmatic 30 June 1908 explosion of ‘something’ over the Tunguska region of Siberia. Might the two anomalies be connected? Something that came from outer space crashed into, or exploded above, the Tunguska, Siberia forest in late June of 1908, of that there is no question. Whodunit or whatdunit is the $64,000 question.

Something that came from outer space crashed into, or exploded above, the Tunguska, Siberia forest in late June of 1908, of that there is no question. It was heard up to 1,200 kilometres away; witnessed up to 700 kilometres away. The after-effects, from air pressure waves, ground shockwaves to unusual bright skies at night (quasi-auroras in the sky) viewed throughout Europe in the days (or nights) that followed are well documented. From that, and the evidence as observed from on-site scientific expeditions at ground zero (the epicentre) and the 1908 eyewitness reports, strongly suggest that something several tens of meters across exploded, and totally vaporized some 8 to 8.5 kilometres above ground level with a minimum force of 5 megatons, an accepted average force of between 12.5 to 15 megatons, at the other extreme perhaps up to 30 megatons (1000 times the force unleashed on Hiroshima). 

Because of the political turmoil’s Russia and the world were experiencing (WW I; the Russian Revolution), but mainly because the affected region was just about inaccessible due to the harsh climate, distance from civilization and wilderness terrain, it was many years before an actual scientific investigation was launched and traveled into the region to investigate into what actually happened – what impacted this vast forested region of Siberia where (fortunately) there were few inhabitants and witnesses. The main and initial scientific investigator was a Russian scientist, Leonid Kulik. His first expedition in 1921 didn’t actually reach ground zero; but later expeditions of his in 1927 (the first to reach the epicentre), with follow-ups in 1928 and 1929 and finally in 1939 got the scientific ball rolling. Of course everyone expected that eye-witnesses would be irrelevant because the object was obviously a natural celestial object, a meteor or a small comet, and there would be a crater. Samples of the extraterrestrial object would be collected, analysed back in civilization, fragments put on display in museums – mystery solved. That’s what everyone expected, but at times Mother Nature can be a real bitch!

Well, to make a long story shorter, initial and subsequent on-site teams of researchers (there were further Russian expeditions in 1958 and 1961 with the first post Cold War international teams hitting the ground in 1989 and 1991) found no crater; no chunks of extraterrestrial debris. Whatever ‘hit’ the Tunguska region of Siberia in June 1908 didn’t really apparently impact, but exploded high up in the atmosphere, a resulting blast wave flattening the trees in a radial pattern out from ground zero, ultimately covering an area associated with a large city. Even that wouldn’t have been all that anomalous were it not for some witnesses who claimed that the object as it descended, changed direction. You wouldn’t have expected that from a natural object. And thus was born the idea that the object wasn’t natural, but artificial, probably, well certainly, since terrestrial technology had no equivalents, extraterrestrial – an alien spaceship.

Seeing as how there’s evidence that UFOs, or ‘flying discs’ as they were called in the late 1940’, could run into difficulty and crash, as in Roswell (July 1947) for example, well that lent additional credibility that in 1908, a ‘flying disc’ also ran into technical difficulty, but exploded, probably a nuclear-type explosion,  relative to actually crash-landing.

Well, whatever it was, it was vaporized to the extent that there wasn’t enough solid residue left behind to establish once and for all that the object actually was. And so other exotic, though natural, theories were spawned to account for the overall Tunguska event anomalies.

So, some scientists have suggested that what hit Tunguska was a mini Black Hole that just kept right on keeping on and passed through the entire Earth, exiting out the opposite side (commonly postulated to be the North Atlantic). There are good theoretical reasons to suspect that mini Black Holes exist in space – ‘theoretical’ needs to be stressed however.

Even more far out, it was a tiny piece of antimatter. Antimatter, when impacting Earth’s atmosphere composed of normal matter, well its ka-boom time as there will be an annihilation of equal parts of our atmospheric matter and whatever the amount of antimatter was – gram for gram; ounce for ounce. When matter meets antimatter, stuff is turned into pure energy, and thus no solid residue left behind at the ‘crime’ scene.  

Even more far out there’s been speculations that the Tunguska Event was caused by a concentration of methane (natural) gas released naturally into the atmosphere which exploded; an extraterrestrial laser beam attack or scientific test on a relatively uninhabited region; giant ball lightning; even a terrestrial death ray or early nuclear experiment that went very wrong. Those make the alien spaceship / UFO blowing up theories seem mundane and commonplace. 

The disturbing bit about the Tunguska Event was that if the explosion / impact had happened slightly earlier or later, it could just as easily have exploded / impacted over a far more densely inhabited region. Hitting the ocean might have generated a tsunami, and we know the sort of havoc they can cause. More frightening, if it had happened, right out of the proverbial blue, no warning at all, in say 1958 instead of 1908, what would Russia’s immediate reaction have been? Maybe an assumption that there had been a nuclear strike, the first of many pre-emptive or unprovoked nuclear strikes on Russian soil. Their reaction, and response, could easily have been, in that Cold War, high tension era, shoot back now and ask questions later – assuming a later after all out nuclear war.

Back to 1908, maybe the Tunguska Event was a comet, or meteor, or a mini black hole, or a bit of anti-matter. Experts remain uncertain and undecided to this very day. Or, maybe it was a spaceship – obviously not of terrestrial origin. Lots of authors have written tomes advocating that explanation (and others even more exotic as we’ve seen). And in fact, although scoffed at by the experts, I’m not quite ready to write off the spaceship theory quite yet. If Roswell, why not Tunguska? However, I’d be being unrealistic if I didn’t admit that theory is a long shot. At the least, it’s still a marvelous scientific mystery. 

Further readings on the Tunguska Incident:

Atkins, Thomas & Baxter, John; The Fire Came By: The Riddle of the Great Siberian Explosion; Doubleday & Company, Inc., New York; 1976: 

Furneaux, Rupert; The Tungus Event: The Great Siberian Catastrophe of 1908; Panther Books, Frogmore, St Albans, Herts; 1977:

Rubtsov, Vladimir; The Tunguska Mystery; Springer, New York; 2009:

Stoneley, Jack; Tunguska: Cauldron of Hell; Star Book, London; 1977:

Verma, Surendra; The Tunguska Fireball: Solving One of the Great Mysteries of the 20th Century; Allen & Unwin Pty Ltd., Crows Nest, NSW; 2005:

Thursday, January 12, 2012

Singularities: The Heart of Black Holes and the Big Bang

Singularities are fascinating objects and places, yet entirely ‘inaccessible’ in the sense that you can’t actually go there on vacation and send back a postcard, or travel to one on a government grant as a scientific expedition and report back via a peer-reviewed article in a technical scientific journal about the local environment, geography, inhabitants, etc. In a sense singularities are like Heaven in terms of accessibility. You have to rely on intuition or theory or second-hand observations as to what’s what and who’s who.  

Okay, for those readers I’ve already befuddled, I’d better tell you exactly what a singularity is! You’ve all heard of the phrase ‘Black Hole’ and not the one in Calcutta either! I refer to astronomical or cosmic Black Holes. Black Holes are ‘black’ because they have packed inside them so much stuff, so much mass, and hence so much gravity that not even particles of electromagnetic energy (photons) can escape their gravitational clutches. If photons, and that includes visible light photons, are jailed, can not pass go, can not collect $200, then they might as well as, as far as your perception of them is concerned, not exist. If what you don’t see exists, that existence is of no matter (well lots of matter actually). Translated, Black Holes are black because visible light can’t get from them to your eyeball! The absence of light is well, blackness.

So, is a Black Hole just a big lump of stuff, albeit stuff you can’t see? Well, ‘yes’ and ‘no’.  First off, we can ‘see’ Black Holes indirectly because of their gravitational influence on stellar objects we can see. I mean if you see a star whirling around something you can’t see, then the logical interpretation is that the star you can see is in orbit around something you can’t see – i.e. a Black Hole. Well ‘no’, you can’t ‘see’ a Black Hole because light from the Black Hole can’t get away from the crush of that Black Hole’s gravity.

What’s all this got to do with singularities? Well, the stuff composing a Black Hole, all that stuff that clumps together and is the centre of the massive all-encompassing gravity that prohibits the photons to escape the house (Hole) that Jack built is the Black Hole’s singularity. An analogy: The extent of the Black Hole is the extent of the Earth’s outer atmosphere; the singularity is the solid Earth proper. So think of a nebulous outer edge with a solid core of stuff in the middle. The stuff in the middle generates the intense gravity; the nebulous outer edge marks the boundary between gravity below the threshold of light escaping and light not escaping. That boundary is referred to as the ‘event horizon’; the stuff in the middle is the singularity.

Now the idea of a singularity doesn’t stop with the idea behind an astronomical Black Hole. No, a singularity is any concentration of stuff or mass that has such a massive amount of gravity as to prevent photons from leaving the gravitational well or prison so created. What’s the ultimate Black Hole – the Mother of all Black Holes? Well, if bits of our Universe can clump together to form astronomical Black Holes, then our entire Universe, when clumped together and in a relativity tiny state, would have been the Mother of all Black Holes and hence the Mother of all singularities. When was our Universe in such a state? Well, in the beginning!

Our Universe is expanding. That’s verified by direct cosmological observation. Every cluster of galaxies has such astronomically bad ‘body odour’ that every other cluster of galaxies is moving out of the vicinity quick-smart! Well actually you can’t have ‘body odour’ in space, so that’s not the real reason. The real reason is that in the beginning or once upon a time, there was some sort of explosive oomph event that started the expansion process. We call that the ‘Big Bang’ event. At the time of the Big Bang event, our entire Universe had a close encounter with, well, our entire Universe. Our entire Universe was roughly all in the same space at the same time. Translated, if you run the film of an expanding Universe backwards, you eventually get the entire contents of our Universe on collectively very intimate terms. Such a massive collection of stuff, matter, mass, hence gravity, all of the stuffs, matter or mass that the Universe possesses, well let’s just say you’d have the Mother of all singularities – in the Big Bang beginning; or anyway once upon a Big Bang time at least .  

Well surely one didn’t have this Mother of all singularities just sitting around for eons then for no apparent reason go ‘poof’ and thus have an explosive oomph moment which kick-started things off as far as our Universe is concerned. The intense gravity of the Mother of all singularities probably would have muted any oomph to begin with; the birth of our Universe stalled at the onset.

But, let’s throw some momentum into the mix. What’s the opposite of a Big Bang? It’s a Big Crunch! So let’s propose that we have this other universe which, the bits and pieces thereof, under all those mutual gravitational attractions, is slowly, ever so slowly, but ever so surely, coming together. And as it comes together, the contracting velocity gets faster, and faster, and faster. Eventually, you have this massive collection of stuff rushing together to meet at a single point in space and in time at a fantastic velocity. There is such momentum present that the contracting Big Crunch universe just can’t stop on a dime any more than an automobile going a hundred miles an hour can stop with inside of a foot of having the brakes applied. The Big Crunch at the omega point obviously forms the Mother of all Black Holes and singularities, but the sheer momentum of that contracting universe just tears the fabric of things (space and time) apart, and like a glove turning inside-out, the contraction passes through the omega point, spewing its gets out, becoming an alpha point, which is our Big Bang event and the start of our new expanding Universe.

Okay, so we have two sources that have singularities – singularities at the centre of astronomical Black Holes, and the Mother of all singularities residing inside the Mother of all Black Holes, the one that existed at the Big Bang beginning of the Universe.

We of course can’t see a singularity directly (unless you’re willing to take a one-way trip down a Black Hole, but even if you survived that and landed safely on the singularity, you couldn’t ever broadcast back your findings – that speed of light restriction that by definition a Black Hole imparts regarding sending stuff out). So, we have to rely 100% on what theoretical equations predict a singularity to be. Unfortunately, those equations, when pushed to the sorts of mass and gravitational extremes that a singularity would represent, well you get nonsense answers. Translated, if taken at face value, the equations note that the intense gravity crushes the stuff that itself is responsible for that gravity down to a point of zero dimensions and hence infinite density.

The essential problem behind this nonsense is that gravity is represented by Einstein’s Theory of General Relativity which is a classical physics smooth continuum phenomenon. That is, you can have this gravitational value, and that gravitational value, and every possible value in-between. However, tiny objects, which is what a singularity is postulated to be, is in the realm of the quantum, which is a non-continuum phenomena. Think of a staircase. You can be on this step, or the next step, but there is no step in-between the two. That is, you can have this value, or that value, but only certain other values in-between. It’s also like money – you can have a five dollar bill, and a ten dollar bill, but not a six and a third dollar bill, or an eight and three-quarters dollar bill, or even a seven or a nine dollar bill. Money and staircases are non-continuum quantum-like; money and staircases are not a smooth continuum like gravity is.  

So, to adequately come to terms with the really real properties of singularities, you need a theory of quantum gravity. Alas, despite the best efforts of thousands of theoretical physicists over many, many decades, no quantum gravity theory to be had. There’s no quantum gravity dice.

So, let’s abandon that theoretical track and go back to common sense predictions.

Either Black Hole singularities, or the Big Bang singularity, are infinitely dense and have zero volume, or they do not. If they do not (and the alternative defies common sense and is IMHO ridiculous), then singularities have a finite volume and can grow in size as more stuff is added on. You have an original tiny singularity with extremely high, but not infinite density. You keep piling stuff onto it. For a while, the density keeps on increasing, but since it can’t become infinite, there will be a point reached where further increases cease. As more and more stuff continues to be piled on, the only other option is that the size of the singularity must grow. The volume increases, and increases and increases. The upshot is that singularities can reach a size where quantum effects become negligible. Or, in other words, singularities can grow to where they aren’t quantum objects anymore, and while theories of quantum gravity might be still be useful in explaining their properties, it’s probably no longer essential. Singularities have entered the realm of classical physics.

One property of singularities I find interesting is that the stuff that eventually forms the singularity isn’t the same sort of stuff that went down the Black Hole’s throat in the first place. There’s been a phase transition of one kind of stuff to another kind of stuff. You’re quite familiar with phase transitions in your day-to-day life. There’s nothing mysterious about the concept. The most common example is steam or water vapour condensing to liquid water condensing or freezing to ice; ice melting to liquid water hence boiling or evaporating into steam or water vapour.  Apart from your division into solid, liquid and gas, there’s also plasma. Now the sort of matter that composes a singularity is probably something else yet again, a phase transition that only extreme gravity can achieve. That such a new state of matter exists is predicted by the following: If you have an ordinary matter star, and if it should happen to collide with an antimatter star, what you get is one hell of a big Ka-Boom; the annihilation of matter/antimatter into pure energy.  However, say your matter star implodes into a Black Hole with singularity. And say your antimatter star implodes into a Black Hole with singularity. Now have these two Black Holes collide. No Ka-Boom results, just a larger Black Hole! 

Wednesday, October 26, 2011

Cosmic Fun: Random Ramblings in Modern Cosmology: Antimatter

The following ideas are primarily mine alone, the good, the bad and the ugly, albeit based on and influenced by reading multi volumes of tomes in modern cosmology. However, I’m also quite sure that numerous others have quite independently thought somewhat similar, if not exact, thoughts as well. Therefore, I’ll take no credit for being right, if I don’t get blamed for being wrong!

THE MISSING ANTIMATTER AND MISSING MATTER: A CONNECTION?

In the beginning there was the Big Bang. Theory suggests that equal amounts of matter and antimatter should have been created. Alas, we don’t see antimatter in our cosmos. Where is it, or where did it go?

Well it might be silly to expect an absolute exact 1 on 1 match. Nature isn’t always 100% symmetrical.
It’s probably valid enough to postulate a close, but not quite exact 1 on 1 match, say for every 1,000,000,000 bits of antimatter created, there were 1,000,000,001 bits of matter.

When matter and antimatter meet, the bits annihilate, but since stuff (matter  and antimatter qualify as stuff) can not be poof-ed out of existence, what results is energy – Recall Einstein’s equating of mass and energy, where a little bit of mass can be converted into a lot of energy (the A-Bomb is an obvious example).  

Anyway, over time, nearly all the matter, but all the antimatter annihilated, but with matter ever so slightly ahead in the creation stakes, what we now see is a matter-dominated cosmos.  And one hell of a lot of energy should be around too – the result of 1,000,000,000 bits of antimatter coming into contact with 1,000,000,000 units of matter.

Another troubling issue is that the cosmos is expanding as a result of the Big Bang. If there is sufficient matter in the cosmos, the collective gravity will be enough to slow down to a halt that expansion; hence reversing the situation into a contraction and an eventual Big Crunch (perhaps to then be followed by another Big Bang, and so on ad infinitum).  If there isn’t enough matter, the cosmos will go on expanding forever and ever, eventually resulting in an eternally dark and cold endless expanse. Alas, that would appear to be the fate of the cosmos. We’re missing enough matter to close the cosmos.

But wait, isn’t energy the same as matter according to Einstein (and proved at Hiroshima and Nagasaki)? If so, what about those 1,000,000,000 units of matter/antimatter annihilation energy. That, combined with the one unit of matter left over, you’d think, would be enough to halt the expansion, resulting in the Big Crunch, a renewed birth, hence a second, third, fourth (up to an infinite number of) chances for the cosmos.

Then there is the theory by the late physicist and Nobel Laureate Richard P. Feynman that antimatter is exactly the same as matter, but traveling backwards in time! If we were to travel backwards in time, we’d become antimatter! The upshot here is that if, at the time of the Big Bang, equal amounts of matter and antimatter were created, then matter traveled forward in time (and is still doing so 13.7 billion years later), while the antimatter traveled backwards in time. Of course antimatter didn’t have to travel more than a few micro-seconds, even nanoseconds back before returning to the beginning (and presumably to a beyond Big Bang state – whatever that is – or was). Anyway, that’s why we don’t see or detect any antimatter in the cosmos today!

Further readings about antimatter:

Close, Frank; Antimatter; Oxford University Press, Oxford; 2009:

Fraser, Gordon; Antimatter: The Ultimate Mirror; Cambridge University Press, Cambridge; 2000:

Nir,Yossi & Quinn, Helen R.; The Mystery of the Missing Antimatter; Princeton University Press, Princeton, New Jersey; 2008:

Tuesday, October 11, 2011

Exobiology: UFOs: Tunguska (June, 1908)

Exobiology was the original term given to the sciences central to the question of life-in-the-Universe. It’s now been largely replaced by Astrobiology, but I’ll stick with the original. Assuming one or more extraterrestrial civilizations with advanced, interstellar spaceflight capability exists; then they know about Planet Earth. Say ‘hi’ to those pesky UFOs. If UFOs aren’t mystery enough, there’s that enigmatic 30 June 1908 explosion of ‘something’ over the Tunguska region of Siberia. Might the two anomalies be connected?

Something that came from outer space crashed into, or exploded above, the Tunguska, Siberia forest in late June of 1908, of that there is no question. It was heard up to 1,200 kilometres away; witnessed up to 700 kilometres away. The after-effects, from air pressure waves, ground shockwaves to unusual bright skies at night (quasi-auroras in the sky) viewed throughout Europe in the days (or nights) that followed are well documented. From that, and the evidence as observed from on-site scientific expeditions at ground zero (the epicentre) and the 1908 eyewitness reports, strongly suggest that something several tens of metres across exploded, and totally vaporized some 8 to 8.5 kilometres above ground level with a minimum force of 5 megatons, an accepted average force of between 12.5 to 15 megatons, at the other extreme perhaps up to 30 megatons (1000 times the force unleashed on Hiroshima). 

Because of the political turmoils Russia and the world were experiencing (WW I; the Russian Revolution), but mainly because the affected region was just about inaccessible due to the harsh climate, distance from civilization and wilderness terrain, it was many years before an actual scientific investigation was launched and travelled into the region to investigate into what actually happened – what impacted this vast forested region of Siberia where (fortunately) there were few inhabitants and witnesses. The main and initial scientific investigator was a Russian scientist, Leonid Kulik. His first expedition in 1921 didn’t actually reach ground zero; but later expeditions of his in 1927 (the first to reach the epicentre), with follow-ups in 1928 and 1929 and finally in 1939 got the scientific ball rolling. Of course everyone expected that eye-witnesses would be irrelevant because the object was obviously a natural celestial object, a meteor or a small comet, and there would be a crater. Samples of the extraterrestrial object would be collected, analysed back in civilization, fragments put on display in museums – mystery solved. That’s what everyone expected, but at times Mother Nature can be a real bitch!

Well, to make a long story shorter, initial and subsequent on-site teams of researchers (there were further Russian expeditions in 1958 and 1961 with the first post Cold War international teams hitting the ground in 1989 and 1991) found no crater; no chunks of extraterrestrial debris. Whatever ‘hit’ the Tunguska region of Siberia in June 1908 didn’t really apparently impact, but exploded high up in the atmosphere, a resulting blast wave flattening the trees in a radial pattern out from ground zero, ultimately covering an area associated with a large city. Even that wouldn’t have been all that anomalous were it not for some witnesses who claimed that the object as it descended, changed direction. You wouldn’t have expected that from a natural object. And thus was born the idea that the object wasn’t natural, but artificial, probably, well certainly, since terrestrial technology had no equivalents, extraterrestrial – an alien spaceship.

Seeing as how there’s evidence that UFOs, or ‘flying discs’ as they were called in the late 1940’, could run into difficulty and crash, as in Roswell (July 1947) for example, well that lent additional credibility that in 1908, a ‘flying disc’ also ran into technical difficulty, but exploded, probably a nuclear-type explosion,  relative to actually crash-landing.

Well, whatever it was, it was vaporised to the extent that there wasn’t enough solid residue left behind to establish once and for all that the object actually was. And so other exotic, though natural, theories were spawned to account for the overall Tunguska event anomalies.

So, some scientists have suggested that what hit Tunguska was a mini Black Hole that just kept right on keeping on and passed through the entire Earth, exiting out the opposite side (commonly postulated to be the North Atlantic). There are good theoretical reasons to suspect that mini Black Holes exist in space – ‘theoretical’ needs to be stressed however.

Even more far out, it was a tiny piece of antimatter. Antimatter, when impacting Earth’s atmosphere composed of normal matter, well its ka-boom time as there will be an annihilation of equal parts of our atmospheric matter and whatever the amount of antimatter was – gram for gram; ounce for ounce. When matter meets antimatter, stuff is turned into pure energy, and thus no solid residue left behind at the ‘crime’ scene.  

Even more far out there’s been speculations that the Tunguska Event was caused by a concentration of methane (natural) gas released naturally into the atmosphere which exploded; an extraterrestrial laser beam attack or scientific test on a relatively uninhabited region; giant ball lightning; even a terrestrial death ray or early nuclear experiment that went very wrong. Those make the alien spaceship / UFO blowing up theories seem mundane and commonplace. 

The disturbing bit about the Tunguska Event was that if the explosion / impact had happened slightly earlier or later, it could just as easily have exploded / impacted over a far more densely inhabited region. Hitting the ocean might have generated a tsunami, and we know the sort of havoc they can cause. More frightening, if it had happened, right out of the proverbial blue, no warning at all, in say 1958 instead of 1908, what would Russia’s immediate reaction have been? Maybe an assumption that there had been a nuclear strike, the first of many pre-emptive or unprovoked nuclear strikes on Russian soil. Their reaction, and response, could easily have been, in that Cold War, high tension era, shoot back now and ask questions later – assuming a later after all out nuclear war.

Back to 1908, maybe the Tunguska Event was a comet, or meteor, or a mini black hole, or a bit of anti-matter. Experts remain uncertain and undecided to this very day. Or, maybe it was a spaceship – obviously not of terrestrial origin. Lots of authors have written tomes advocating that explanation (and others even more exotic as we’ve seen). And in fact, although scoffed at by the experts, I’m not quite ready to write off the spaceship theory quite yet. If Roswell, why not Tunguska? However, I’d be being unrealistic if I didn’t admit that theory is a long shot. At the least, it’s still a marvellous scientific mystery. 

Further readings on the Tunguska Incident:

Further readings:

Atkins, Thomas & Baxter, John; The Fire Came By: The Riddle of the Great Siberian Explosion; Doubleday & Company, Inc., New York; 1976: 

Furneaux, Rupert; The Tungus Event: The Great Siberian Catastrophe of 1908; Panther Books, Frogmore, St Albans, Herts; 1977:

Rubtsov, Vladimir; The Tunguska Mystery; Springer, New York; 2009:

Stoneley, Jack; Tunguska: Cauldron of Hell; Star Book, London; 1977:

Verma, Surendra; The Tunguska Fireball: Solving One of the Great Mysteries of the 20th Century; Allen & Unwin Pty Ltd., Crows Nest, NSW; 2005:

Thursday, August 25, 2011

Ancient UFOs: The Enigma That Is Tunguska (1908)

UFOs aren’t anything new. In fact, if my premise is correct, that the polytheistic gods (including the monotheistic God) were not deities but extraterrestrials (‘ancient astronauts’) then their aerial and sometimes fiery chariots so often referred to in mythology were nothing but shuttlecraft out of their mother-ships or star-ships – what we might now term UFOs. We’re all familiar with the ‘Wheels of Ezekiel’ story, but mythology coughs up several more possibilities, Biblical and otherwise. I’ll continue the story with an event certainly not mythical, one not even all that ancient, just puzzling, Tunguska, June 1908.

Assuming one or more extraterrestrial civilizations with advanced, interstellar spaceflight capability exists; then they know about Planet Earth. Say ‘hi’ to those pesky UFOs. If UFOs aren’t mystery enough, there’s that enigmatic 30 June 1908 explosion of ‘something’ over the Tunguska region of Siberia. Might the two anomalies be connected? Something that came from outer space crashed into, or exploded above, the Tunguska, Siberia forest in late June of 1908, of that there is no question. Whodunit or whatdunit is the $64,000 question.

Something that came from outer space crashed into, or exploded above, the Tunguska, Siberia forest in late June of 1908, of that there is no question. It was heard up to 1,200 kilometres away; witnessed up to 700 kilometres away. The after-effects, from air pressure waves, ground shockwaves to unusual bright skies at night (quasi-auroras in the sky) viewed throughout Europe in the days (or nights) that followed are well documented. From that, and the evidence as observed from on-site scientific expeditions at ground zero (the epicentre) and the 1908 eyewitness reports, strongly suggest that something several tens of meters across exploded, and totally vaporized some 8 to 8.5 kilometres above ground level with a minimum force of 5 megatons, an accepted average force of between 12.5 to 15 megatons, at the other extreme perhaps up to 30 megatons (1000 times the force unleashed on Hiroshima). 

Because of the political turmoil’s Russia and the world were experiencing (WW I; the Russian Revolution), but mainly because the affected region was just about inaccessible due to the harsh climate, distance from civilization and wilderness terrain, it was many years before an actual scientific investigation was launched and travelled into the region to investigate into what actually happened – what impacted this vast forested region of Siberia where (fortunately) there were few inhabitants and witnesses. The main and initial scientific investigator was a Russian scientist, Leonid Kulik. His first expedition in 1921 didn’t actually reach ground zero; but later expeditions of his in 1927 (the first to reach the epicentre), with follow-ups in 1928 and 1929 and finally in 1939 got the scientific ball rolling. Of course everyone expected that eye-witnesses would be irrelevant because the object was obviously a natural celestial object, a meteor or a small comet, and there would be a crater. Samples of the extraterrestrial object would be collected, analysed back in civilization, fragments put on display in museums – mystery solved. That’s what everyone expected, but at times Mother Nature can be a real bitch!

Well, to make a long story shorter, initial and subsequent on-site teams of researchers (there were further Russian expeditions in 1958 and 1961 with the first post Cold War international teams hitting the ground in 1989 and 1991) found no crater; no chunks of extraterrestrial debris. Whatever ‘hit’ the Tunguska region of Siberia in June 1908 didn’t really apparently impact, but exploded high up in the atmosphere, a resulting blast wave flattening the trees in a radial pattern out from ground zero, ultimately covering an area associated with a large city. Even that wouldn’t have been all that anomalous were it not for some witnesses who claimed that the object as it descended, changed direction. You wouldn’t have expected that from a natural object. And thus was born the idea that the object wasn’t natural, but artificial, probably, well certainly, since terrestrial technology had no equivalents, extraterrestrial – an alien spaceship.

Seeing as how there’s evidence that UFOs, or ‘flying discs’ as they were called in the late 1940’, could run into difficulty and crash, as in Roswell (July 1947) for example, well that lent additional credibility that in 1908, a ‘flying disc’ also ran into technical difficulty, but exploded, probably a nuclear-type explosion,  relative to actually crash-landing.

Well, whatever it was, it was vaporized to the extent that there wasn’t enough solid residue left behind to establish once and for all that the object actually was. And so other exotic, though natural, theories were spawned to account for the overall Tunguska event anomalies.

So, some scientists have suggested that what hit Tunguska was a mini Black Hole that just kept right on keeping on and passed through the entire Earth, exiting out the opposite side (commonly postulated to be the North Atlantic). There are good theoretical reasons to suspect that mini Black Holes exist in space – ‘theoretical’ needs to be stressed however.

Even more far out, it was a tiny piece of antimatter. Antimatter, when impacting Earth’s atmosphere composed of normal matter, well its ka-boom time as there will be an annihilation of equal parts of our atmospheric matter and whatever the amount of antimatter was – gram for gram; ounce for ounce. When matter meets antimatter, stuff is turned into pure energy, and thus no solid residue left behind at the ‘crime’ scene.  

Even more far out there’s been speculations that the Tunguska Event was caused by a concentration of methane (natural) gas released naturally into the atmosphere which exploded; an extraterrestrial laser beam attack or scientific test on a relatively uninhabited region; giant ball lightning; even a terrestrial death ray or early nuclear experiment that went very wrong. Those make the alien spaceship / UFO blowing up theories seem mundane and commonplace. 

The disturbing bit about the Tunguska Event was that if the explosion / impact had happened slightly earlier or later, it could just as easily have exploded / impacted over a far more densely inhabited region. Hitting the ocean might have generated a tsunami, and we know the sort of havoc they can cause. More frightening, if it had happened, right out of the proverbial blue, no warning at all, in say 1958 instead of 1908, what would Russia’s immediate reaction have been? Maybe an assumption that there had been a nuclear strike, the first of many pre-emptive or unprovoked nuclear strikes on Russian soil. Their reaction, and response, could easily have been, in that Cold War, high tension era, shoot back now and ask questions later – assuming a later after all out nuclear war.

Back to 1908, maybe the Tunguska Event was a comet, or meteor, or a mini black hole, or a bit of anti-matter. Experts remain uncertain and undecided to this very day. Or, maybe it was a spaceship – obviously not of terrestrial origin. Lots of authors have written tomes advocating that explanation (and others even more exotic as we’ve seen). And in fact, although scoffed at by the experts, I’m not quite ready to write off the spaceship theory quite yet. If Roswell, why not Tunguska? However, I’d be being unrealistic if I didn’t admit that theory is a long shot. At the least, it’s still a marvellous scientific mystery. 

So, here are your options: 1) Tunguska was a totally natural, albeit rare event; 2) Tunguska was not a totally natural, albeit rare event.

Further readings on the Tunguska Incident:

Atkins, Thomas & Baxter, John; The Fire Came By: The Riddle of the Great Siberian Explosion; Doubleday & Company, Inc., New York; 1976: 

Furneaux, Rupert; The Tungus Event: The Great Siberian Catastrophe of 1908; Panther Books, Frogmore, St Albans, Herts; 1977:

Rubtsov, Vladimir; The Tunguska Mystery; Springer, New York; 2009:

Stoneley, Jack; Tunguska: Cauldron of Hell; Star Book, London; 1977:

Verma, Surendra; The Tunguska Fireball: Solving One of the Great Mysteries of the 20th Century; Allen & Unwin Pty Ltd., Crows Nest, NSW; 2005: