Tremendous amounts of soot, lofted into the air from global wildfires following a massive asteroid strike 66 million years ago, would have plunged Earth into darkness for nearly two years, new research finds.
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Extinction events: August 2017
Calendar
- 18 Sep: Hearing: Developing Core Capabilities for Deep Space Exploration: An Update on NASA’s SLS, Orion, and Exploration Ground Systems
- 18 Sep: NASA Astrobiology Institute Virtual Workshopl: Astrovirology
- 23 Sep: Planetary Science Advisory Committee Meeting
- 26 Sep: Astronomy and Astrophysics Advisory Committee Meeting
- 1 Oct: Heliophysics Advisory Committee Meeting
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