The sample that found its way into CheMin came from the third scoop of soil Curiosity dug up at a site dubbed “Rocknest.” The first scoop was discarded after being used to scrub out the rover’s sampling system, to help ensure that no Earth-originating residues remained. Work at Rocknest slowed after Curiosity dug its second [...]
Bright stuff on Mars (Comments)
October 19, 2012 12:20 am
The sample that found its way into CheMin came from the third scoop of soil Curiosity dug up at a site dubbed “Rocknest.” The first scoop was discarded after being used to scrub out the rover’s sampling system, to help ensure that no Earth-originating residues remained.
Work at Rocknest slowed after Curiosity dug its second scoop on Oct. 12, when researchers noticed oddly bright flecks at the bottom of the hole. The team dumped the scoop out, worried that it might contain debris that had flaked off Curiosity.
They already knew that some tiny rover pieces are littering the Martian ground, after spotting a bright shred of what appears to be plastic on Oct. 7. Team members have since identified five or six other such bits, which may have fallen off Curiosity’s sky-crane descent stage during landing on Aug. 5.
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