Rock soil droplets formed by heating most likely came from Stone Age house fires and not from a disastrous cosmic impact 12,900 years ago, according to new research from the University of California, Davis.
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Impact events: January 2015
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- 28 May: NASA Advisory Council Human Exploration and Operations Committee Meeting
- 30 May: NASA Advisory Council Meeting
- 6 Jun: International Space Development Conference
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- 6 Jun: NASA Aerospace Safety Advisory Panel Meeting
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