Do mass extinctions, like the fall of the dinosaurs, and the formation of large impact craters on Earth occur together at regular intervals?
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Impact events: March 2017
Calendar
- 23 Sep: Planetary Science Advisory Committee Meeting
- 26 Sep: Astronomy and Astrophysics Advisory Committee Meeting
- 26 Sep: Hearing: Understanding, Forecasting, and Communicating Extreme Weather in a Changing Climate
- 1 Oct: Heliophysics Advisory Committee Meeting
- 3 Oct: STA Meeting WIth Dave Pierce And Dale Nash
- 5 Oct: Venera-D Landing Sites and Cloud Layer Habitability Workshop
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