Search the Community
Showing results for tags 'cretaceous-paleogene impact'.
-
Evidence of dinosaur-killing asteroid impact found on the moon
Oxytropidoceras posted a topic in Fossil News
Earth Asteroid Impacts Mirrored on Moon – Including the Dinosaur Killer Curtain University, SciTechDaily, September 29, 2022 Evidence of dinosaur-killing asteroid impact found on the moon By Robert Lea, spaceCom, September 29, 2022 The open accesss paper is: Tao Long, Yuqi Qian, Marc D. Norman, Katarina Miljkovic, Carolyn Crow, James W. Head, Xiaochao Che, Romain Tartèse, Nicolle Zellner, Xuefeng Yu, Shiwen Xie, Martin Whitehouse, Katherine H. Joy, Clive R. Neal, Joshua F. Snape, Guisheng Zhou, Shoujie Liu, Chun Yang, Zhiqing Yang, Chen Wang, Long Xiao, Dunyi Liu and Alexander Nemchin, 2022. Constraining the formation and transport of lunar impact glasses using the ages and chemical compositions of Chang’e-5 glass beads. Science Advances. 8 (39). Related articles China’s Chang’e-5 Samples Reveal Key Age of Moon Rocks – First Fresh Lunar Samples in More Than 40 Years Washington University In St. Louis, October 9, 2019 Yours, Paul H. -
Breakup of a long-period comet as the origin of the dinosaur extinction
Oxytropidoceras posted a topic in Fossil News
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.