Image from NASA's Curiosity rover, a hole called "John Klein" where the rover conducted its first sample drilling on Mars. Credit: NASA.
Image from NASA’s Curiosity rover, a hole called “John Klein” where the rover conducted its first sample drilling on Mars. Credit: NASA.

Analysis of the first sample of rock powder ever collected on Mars is discussed in this NASA TV briefing from the agency’s headquarters in Washington, D.C. on Mar. 12

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