Temperature on Mercury is 450C (840F) but may harbour Ice

Posted by Mike Kremer on Apr 09, 2002 at 11:08
(62.188.145.234)

Nasa unveils mission to map frozen craters on Mercury.
(Nasa) said that construction of the Messenger space probe would begin immediately, to meet a scheduled launch date of March 2004.
Scientists are particularly interested in the planet's polar craters. The deepest parts are in continual shadow and temperatures there never rise above minus 200C. Radar experiments in 1991 indicated the craters could contain frozen water. deposited by passing comets over billions of years.

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