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After NASA’s Mars Science Laboratory (MSL, also known as Curiosity) lands on Mars on Aug. 6, it can expose Martian blood vessel remains (Ref. 1) in one of the following ways: 1. It can use its wheels to crush selected rocks of a few centimeters high. 2. It can use its drills to dig holes and acquire samples < 150 micrometers in diameter (Ref. 2). Maybe it can somehow acquire larger samples. 3. It can use its wheels to create trenches on hard ground or soft rocks.Its microscopic imager (MAHLI) will capture the images of blood vessel remains with z-stacked auto-focus micrographs (Ref. 3). Other Martian rovers/landers could not do this in the past.
Ref. 1: examples of blood vessel remains loosened from meteorites
http://www.wretch.cc/album/album.php?id=lin440315&book=28&page=8
Ref. 2: drills on Curiosity http://msl-scicorner.jpl.nasa.gov/samplingsystem/
Ref. 3: microscopic imager onboard Curiosity http://msl-scicorner.jpl.nasa.gov/Instruments/MAHLI/
Read more at http://wretchfossil.blogspot.tw/p/major-messages-from-wretch-fossil_15.html