The idea of humans one day colonizing Mars is a tantalizing one, but there are some obvious obstacles to our long-term residency on the red planet. Chief among them? The absence of water. Research has established that Mars used to have liquid water on its surface, but now it's a dry, dusty, inhospitable desert.
Today, NASA will launch a new mission — one that cost $671 million and has been in development for 10 years — to determine what happened to the water on Mars. The Curiosity rover has given us some insight into the conundrum, such as confirming that Mars used to host liquid water by spotting visible stream beds. Curiosity also established, via chemical analysis, that water still exists in Martian soil. It could be that some of...
via The Verge - All Posts http://www.theverge.com/2013/11/18/5117312/maven-nasa-mission-to-mars-what-to-know
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