Enormous Impact on Mars Could Have Created Mysterious Group of Asteroids. The Mars trojans may show a giant impact in its past. Popular Mechanics http://www.popularmechanics.com/space/moon-mars/news/a27319/enormous-asteroid-impact-mars-trojan-asteroids/
the paper is: Polishook, D., S. A. Jacobson, A. Morbidelli and O. Aharonson, 2017, A Martian origin for the Mars Trojan asteroids Nature Astronomy 1, Article number: 0179 (2017) doi:10.1038/s41550-017-0179 http://www.nature.com/articles/s41550-017-0179 Yours, Paul H. ______________________________________________ Visit our Facebook page https://www.facebook.com/meteoritecentral and the Archives at http://www.meteorite-list-archives.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com https://pairlist3.pair.net/mailman/listinfo/meteorite-list