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Saturday, July 30, 2005

A Tenth Planet, and a Martian Lake

Two big stories in space tonight.
First, a beautiful picture of frozen water in a Martian crater. What a wonderful resource for future colonists. Not quite warm enough for swimming, but a great source of water, fuel, and oxygen.

Also, a big story. This discovery of a new planet at least one and a half times the size of Pluto renews the debate about defining exactly what a planet really is. How many more like this are there out there?

One of the best sites around for all the late breaking info on both of these stories is Bad Astronomy. The webhost is actually a very good astronomer, but he goes after all the fun, but nutty bad astronomy floating around the internet.

One more thing: While looking for Bad Astronomy, I came across Bad Astronomer, a fascinating look at the death of the Orion Project, one of the great "might have beens" in manned space flight.

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