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How impact craters are formed

This sounds a bit like a no-brainer really; the asteroid or comet crosses the path of Earth and hits the Earth's surface causing an impact crater. That's it isn't it? No, nothing in life is quite as simple as that ...

Volcanoes on Earth and Beyond

Volcanoes are one of those great forces of nature that we take almost for granted on Earth. I am not sure that I would take it for granted if I lived right next to a volcano but on the overall ...

Best Of The Week Podcast- SETI and the Universe

Fifty years ago, a young astronomer named Frank Drake pointed a radio telescope at nearby stars in the hope of picking up a signal from an alien civilization. Thus began one of the boldest scientific projects in history: the Search ...

Why Won’t That Supernova Go Bang?

Posted on February 11th, 2010 chrdann 4 comments

A massive old star is about to die…

How a supernova explosion will be observed and what with.

By NASA

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How impact craters are formed

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