It is now understood that the accretion of terrestrial planets naturally involves giant collisions, the moon-forming impact being a well known example.
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Impact events: January 2014
Calendar
- 19 Oct: NASA and Boeing Update on Boeing’s Orbital Flight Test-2
- 20 Oct: Hearing: Accelerating Deep Space Travel with Space Nuclear Propulsion
- 21 Oct: NASA Earth Science Division Community Forum
- 22 Oct: Space For Humanity Webinar: Exploring Space Perspectives The Overview Effect & Humanity's Future
- 26 Oct: What makes a planet habitable?
- 27 Oct: NASA Heliophysics Advisory Committee Meeting
- 2 Nov: ISS National Lab User Advisory Committee to Host Introductory Meeting
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