|
Because one of the problems of a manned expedition to Mars has always been the carrying of enough water to support the crew. |
|
Because most of the ice is situated around the south pole though there may also be some in the north. |
|
Because, as spring approaches, the glaciers are slowly receding. |
|
That's why the Mars Express mission will use radar to search down several kilometres. |
|
The crucial question, of course, is still “What are the implications for life?” and until we send a manned expedition there we can't know for certain. |