marți, 24 noiembrie 2009

Huge ocean found on Mars

Mars once had an enormous ocean covering most of its northern hemisphere, scientists claimed yesterday. Full story:

* CNN: 'Airplane view' of Mars yields stunning images... We may know Mars as the Red Planet, but many of the HiRise images are studies in blue... Nat.Geographic: Liquid Water Recently Seen on Mars?... The Guardian: It's snowing on Mars: