Mars Rovers: New evidence of past water | Science News

ADVERTISEMENT

MISSION CRITICAL

Support credible science journalism.

Subscribe to Science News today.


News

Mars Rovers: New evidence of past water

By
11:03am, October 13, 2004

Twin rovers on opposite sides of the Red Planet have found additional evidence that liquid water once flowed there, scientists announced last week during a telephone briefing. Designed to last only 3 months, the rovers have been reporting data back to Earth since January (see "Martian water everywhere," in this week's issue: Martian water everywhere).

On the southwestern slope of the shallow, stadium-size crater in which it landed, the rover Opportunity has found that several flat rocks bear a geometric network of fractures. The fractures resemble mud cracks on Earth, which form when water-soaked soil dries and contracts, notes rover researcher John Grotzinger of the Massachusetts Institute of Technology.

Opportunity had found evidence that a body of stan

This article is available only to subscribing members. Join the Society today or Log in.

Get Science News headlines by e-mail.

More from this issue of Science News

[title_1]
From the Nature Index Paid Content