Chemicals found in Martian rocks by NASA's Curiosity Mars rover suggest the Red Planet once had more oxygen in its atmosphere than it does now.
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Mars: June 2016
Calendar
- 21 May: Ocean Worlds 2019
- 21 May: NASA Advisory Council Science Committee Meeting
- 21 May: STA briefing w Tom Stafford, Commander Apollo 10
- 22 May: STA luncheon w Sylvain Laporte, President, Canadian Space Agency
- 28 May: NASA Advisory Council Human Exploration and Operations Committee Meeting
- 30 May: NASA Advisory Council Meeting
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