Archive: 22/01/2010

Spirit Rover Switches to Backward Drives

( -- The rover team has begun driving Spirit backward as next technique for attempting to extricate the rover from the sand trap where it is embedded. The first two backward drives produced about 6.5 centimeters ...

dateJan 22, 2010 in Space Exploration
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Water Planets

Of the roughly 420 extra-solar planets now known, about a dozen are in the newly named category of "super-earths," planets whose masses are in between of two and about fifteen earth-masses.

dateJan 22, 2010 in Astronomy
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