3 ms·

Comet Catalina Suggests Comets Delivered Carbon to Rocky Planets

• eu 6y ago
  What about water?
  • macintux 6y ago
    Is that in doubt?
    • dvh 6y ago
      Actually yes. Anton Petrov recently (15 may 2019) had a video that most water was from asteroids or was already here, not from comets.
• quercusa 6y ago
  There is something very cool about a 747-Short with a 2.5m telescope looking out a hole in the side: https://www.nasa.gov/mission_pages/SOFIA/overview/index.html https://www.nasa.gov/mission_pages/SOFIA/overview/index.html
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• jonsen 6y ago
  Around 1980 I attended a lecture given by Jens Martin Knudsen “the Martian” [1], during which he expressed his belief that most of the carbon and carbohydrates in the earth crust stems from incoming asteroids. Jens Martin was a great lecturer. He became my role model. [1] https://en.m.wikipedia.org/wiki/Jens_Martin_Knudsen https://en.m.wikipedia.org/wiki/Jens_Martin_Knudsen