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发帖数: 298 | 1 By Leonard David
Senior Space Writer
posted: 10:30 am ET
15 March 2002
HOUSTON, TEXAS - Finding safe and sound landing sites for two Mars Exploration
Rovers has proven difficult.
Scientists have been on the lookout for the best "sweet spots" on the red
planet. Wanted are places that yield top-notch science, yet are touchdown
friendly to the rovers. That gives each robot the best chance for a lengthy
tour-of-duty.
The pressure is on as the countdown clock ticks away for hurling the twin
rovers to |
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