The Different Types of Impact Craters and How to Spot Them.
A crater is simple, right? Well, not really, they are not just holes in the ground (well they are really but they do differ depending on the size of the crater). Once we have become experts on the different types ...
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Best Of The Week Podcast- SETI and the Universe
Posted on February 25th, 2010 No commentsFifty 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 for Extraterrestrial Intelligence (SETI).
A great lecture with slides from the Royal Society.
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