保护地球，探索宇宙，发现文明
2024年1月6日 The Snows of Churyumov-Gerasimenko Images Credit: ESA, Rosetta, MPS, OSIRIS; UPD/LAM/IAA/SSO/INTA/UPM/DASP/IDA; Animation: Jacint Roger Perez Explanation: You couldn’t really be caught in this blizzard while standing by a cliff on periodic comet 67P/Churyumov-Gerasimenko. Orbiting the comet in June of 2016, the Rosetta spacecraft’s narr...
2021年11月13日 Rosetta’s Comet in Gemini Image Credit & Copyright: Rolando Ligustri (CARA Project, CAST) Explanation: Returning along its 6.4 year orbit, periodic comet Churyumov-Gerasimenko (67P) is caught in this telescopic frame from November 7. Sweeping past background stars in the constellation Gemini the comet’s dusty tail stretches towar...
2020年7月12日 Comet CG Creates Its Dust Tail Image Credit & License: ESA, Rosetta, NAVCAM Explanation: Where do comet tails come from? There are no obvious places on the nuclei of comets from which the jets that create comet tails emanate. One of the best images of emerging jets is shown in the featured picture, taken in 2015 by ESA’s robotic Rosetta...