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Found 2 results

  1. Astronomers: A comet fragment, not an asteroid, killed off the dinosaurs Jupiter's gravity pushed comet toward Sun; comet was ripped apart by tidal forces. Jennifer Ouellette, ArsTechnica, February 15, 2021 https://arstechnica.com/science/2021/02/astronomers-a-comet-fragment-not-an-asteroid-killed-off-the-dinosaurs/ The open access paper is: Siraj, A. and Loeb, A., Breakup of a Long-Period Comet as the Origin of the Dinosaur Extinction. Scientific Reports volume 11, Article number: 3803 (2021) https://www.nature.com/articles/s41598-021-82320-2 https://www.cfa.harvard.edu/~loeb/SLD.pdf Keep warm and safe out there Paul H.
  2. Asteroid shower rained space rocks on Earth and the moon 800 million years ago By Charles Q. Choi, SpaceCom, July 21, 2020 Asteroid shower on the Earth-Moon system 800 million years ago revealed by lunar craters by Osaka University, PhysOrg, July 21, 2020 The open access paper is: Terada, K., Morota, T. & Kato, M. Asteroid shower on the Earth-Moon system immediately before the Cryogenian period revealed by KAGUYA. Nature Communications (2020). DOI: 10.1038/s41467-020-17115-6 Yours, Paul H.
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