Springtime on Mars means the thaw of carbon dioxide ice in the northern hemisphere. And when the dry ice goes, the party's over for any trapped debris that then goes tumbling down Martian cliffs in spectacular images such as this.
Zoning in on the right landing site is key to a safe touchdown for the space agency's latest Red Planet explorer
By Gregory MonePosted 04.15.2008 at 8:18 am 2 Comments
Setting a spacecraft down on Mars isn't exactly easy—just ask Beagle 2. NASA's Phoenix Mars Lander, en route and due for a May 25 rendezvous with the surface, recently received a course adjustment from mission planners as they try to ensure that the craft doesn't drop down in a danger zone.