美国·内布拉斯加州上空的乳状云
2019 December 15 Mammatus Clouds over Nebraska Image Credit & Copyright: Jorn Olsen Photography Explanation: When do clo…
2019 December 15 Mammatus Clouds over Nebraska Image Credit & Copyright: Jorn Olsen Photography Explanation: When do clo…
2019 December 14 Interstellar Comet 2I/Borisov Image Credit: NASA, ESA, and D. Jewitt (UCLA) et al. Explanation: From somewhe…
2019 December 11 N63A: Supernova Remnant in Visible and X-ray Image Credit: NASA, ESA, Hubble, Chandra; Processing & Lice…
2019 December 10 Starlink Satellite Trails over Brazil Image Credit & Copyright: Egon Filter Explanation: What are those …
2019 December 9 Looking Sideways from the Parker Solar Probe Video Credit: NASA, JHUAPL, Naval Research Lab, Parker Solar Pro…
2019 December 8 Geminid Meteors over Chile Image Credit & Copyright: Yuri Beletsky (Carnegie Las Campanas Observatory, TW…
2019 December 6 Pleiades to Hyades Image Credit & Copyright: Amir H. Abolfath (TWAN) Explanation: This cosmic vista stret…