"GIant fireball" in Colombia - "massive explosion"

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MeteorWayne

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The Lake Cheko hypothesis has very little good evidence, and almost no support from impact specialists.

It's far too early to tell about the Columbia event. As is usually the case, there's very little good information, and a lot of uninformed hype. We'll see.
 
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yevaud

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MeteorWayne":nch7am15 said:
Craters are pretty rare on earth. After all, if Tunguska left none, despite knocking down thousands of km^2 of trees....

Most asteroids are destroyed far too high to create one.

There are ~ 180 confirmed impact craters on earth. Of course, the planet erases the scars over geological time, so the record probably only samples the last billion years or so, and smaller ones get erased far faster.

All true. However - and this is rare - that I let you know of something you must have missed in the news...

Crater From 1908 Russian Space Impact Found, Team Says

Regrettably, I don't know if they ever confirmed their discovery.
 
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MeteorWayne

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That's the Lake Cheko Smersh referred to, and no, there has been no follow up that I've seen, at least nothing in the journals in the 3 years since.
 
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