66 million years ago, the sudden extinction of the dinosaurs started the ascent of the mammals, ultimately resulting in humankind's reign on Earth.
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Impact events: January 2017
Calendar
- 28 May: NASA Advisory Council Human Exploration and Operations Committee Meeting
- 30 May: NASA Advisory Council Meeting
- 6 Jun: International Space Development Conference
- 6 Jun: National Space-Based Positioning, Navigation and Timing Advisory Board Meeting
- 6 Jun: NASA Aerospace Safety Advisory Panel Meeting
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