Topic: SCIENCE - on February 21, 2005 at 4:11:00 PM CET
'Pack ice' suggests frozen sea on Mars
A frozen sea, surviving as blocks of pack ice, may lie just beneath the surface of Mars, suggest observations from Europe's Mars Express spacecraft. The sea is just 5° north of the Martian equator and would be the first discovery of a large body of water beyond the planet's polar ice caps.
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