Latest Columbia Hills Stories
NASA lit a birthday candle today for its twin Mars Exploration Rovers, Spirit and Opportunity. The Spirit rover begins its second year on Mars investigating puzzling rocks unlike any found earlier. Spirit landed on Jan. 3 and Opportunity Jan. 24, 2004, respectively.
Counting down the top ten astrobiology stories for 2004 highlights the accomplishments of those exploring Mars, Saturn, comets, and planets beyond Pluto. Number four in this countdown was the Spirit mission to Mars.
The rovers Spirit and Opportunity have been exploring the surface of Mars for nearly a year. Principal investigator for the science package on the Mars Exploration Rovers, Steve Squyres, talks about the future of the Spirit rover and what has been learned so far from its exploration of Gusev Crater.
- A transitional zone between two communities containing the characteristic species of each.