Universe Today -
4 Feb 2013 23:01
Image caption: Before and after comparison of Curiosity's 1st ever drill test into Martian rock, run on Jan 31, 2013. Drill bit penetrated several mm and vibrations apparently unveiled hidden, whitish mineral by dislodging thin dust layer at John Klein outcrop. Credit: NASA/JPL-Caltech/MSSS/Ken Kremer/Marco Di Lorenzo A robot from Earth has successfully drilled into a
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