Friday, 18 December 2015

Rocks Rich in Silica Present Puzzles for Mars Rover Team

'Marias Pass,' Contact Zone of Two Martian Rock Units

At recently studied sites, Mars Curiosity has found higher silica concentrations than at sites visited earlier in its Martian travels.





from News and Features - NASA's Jet Propulsion Laboratory http://ift.tt/1Qsl2Ut
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NASA’s IXPE Measures White Dwarf Star for First Time

This artist’s concept depicts a smaller white dwarf star pulling material from a larger star, right, into an accretion disk. Earlier th...