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Topic: Tunguska

Catastrophe without a name

Siberia, 30 June 1908: An explosion with the force of 2,000 Hiroshima bombs shakes the land

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Re: Tunguska

Hah, and there was indeed a Tunguska explosion in 1908!!

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Re: Tunguska

I know of the event,  the meteorite one is still the most plausible theory,despite the lack of a crater.

Supposing the antimatter exists and didn't pop out of nowhere all of a sudden, it should have travelled here through space. And the probablilty of crossing even our solar system without meeting a single atom or molecule that would cause the reaction is astronomicaly (:)) impossible.

A freak antimatter event isn't it since there have been similar events.
http://en.wikipedia.org/wiki/Tunguska_event#Similar_events

Best explanation i can come up with is a metoerite with a peculiar composure that acts like an atomic bomb upon entry of earths oxygen rich atmosphere.

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Re: Tunguska

It was time travellers...Trying to get BACK TO THE FUTURE!!!

Muahhaha.

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Re: Tunguska

it could be a small meteorite that vaporized in the compressed atmosphere.  we're barely able to model what compression does to our atmosphere.

last decade a 70-ton slab of rock fell a few hundred feet in Yosemite.  Rangers were suprised to find trees around the rock flattened, because there was no solid debris.  But what happened was the air under the flat massive slab was compressed as it fell and it blew out in a shockwave hardy enough to topple meter thick pines.

it wouldn't take much mass to give off the explosive and thermal effects of an atomic bomb. See "The Moon is a Harsh Mistress".

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Re: Tunguska

I did a small project about impact events on Earth as part of my physics degree. The Tunguska event was most likely a meteorite which exploded in the atmosphere producing a pressure wave which knocked down trees and what not at ground level, other attempted explanations I have seen have just been nonsense.

Just a sidenote, antimatter is real and there is plenty of evidence for it's existence. It is not even theoretical, antimatter exists without any shadow of any scientific doubt. Also, matter-antimatter annihilations are not "nuclear" reactions because, say a positron annihilates with an electron, there is no nucleus involved. An explosion resulting from annihilation of a large anti matter body (which has never been observed btw) and matter would not be like a thermonuclear weapon because it is a completely different process. The only similarity would be my indisposition to standing underneath it.

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Re: Tunguska

"The Tunguska event was most likely a meteorite which exploded in the atmosphere producing a pressure wave which knocked down trees and what not at ground level, other attempted explanations I have seen have just been nonsense."

This also happened over the disputed region of Kashmir, almost sparking a full scale nuclear war between India and Pakistan... You don't want to know how close we came.

"So, it's defeat for you, is it? Someday I must meet a similar fate..."

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