2021年12月16日 Geminids of the South Image Credit & Copyright: Fefo Bouvier Explanation: Fireflies flash along a moonlit countryside in this scene taken on the night of December 13/14 from southern Uruguay, planet Earth. On that night meteors fell in the partly cloudy skies above during the annual […]
2021年12月15日 Comet Leonard from Space Image Credit & Copyright: Zhuoxiao Wang, Yangwang-1 Space Telescope, Origin.Space Explanation: What does Comet Leonard look like from space? Today’s featured image from Origin.Space’s Yangwang-1 space telescope shows not only the currently bright
2021年12月14日 HH 666: Carina Dust Pillar with Jet Image Credit: NASA, ESA, Hubble; Processing & Copyright: Mehmet Hakan Özsaraç Explanation: To some, it may look like a beehive. In reality, the featured image from the Hubble Space Telescope captures a cosmic pillar of dust, over two-light years l
2021年12月13日 Meteors and Auroras over Iceland Image Credit & Copyright: James Boardman-Woodend; Annotation: Judy Schmidt Explanation: What’s going on behind that mountain? Quite a bit. First of all, the mountain itself, named Kirkjufell, is quite old and located in western Iceland near the
2021年12月12日 Comet Leonard Before Star Cluster M3 Image Credit & Copyright: Dan Bartlett Explanation: Comet Leonard is now visible to the unaided eye — but just barely. Passing nearest to the Earth today, the comet is best seen this week soon after sunset, toward the west, low on the horiz
2021年12月11日 Postcard from the South Pole Image Credit & Copyright: Aman Chokshi Explanation: From this vantage point about three quarters of a mile from planet Earth’s geographic South Pole, the December 4 eclipse of the Sun was seen as a partial eclipse. At maximum eclipse the New Moon b
2021年12月10日 Eclipse on a Polar Day Image Credit & Copyright: Stephanie Ziyi Ye Explanation: During polar day, in Arctic and Antarctic summer, the Sun stays above the horizon for periods of 24 hours or more. Recorded on December 4, this fisheye timelapse image tracks the Sun in multiple frames a
2021年12月09日 A Total Eclipse of the Sun Image Credit & Copyright: Theo Boris, Christian A. Lockwood, David Zimmerman (JM Pasachoff Antarctic Expedition) Compositing: Zev Hoover and Ronald Dantowitz (MARS Scientific) Explanation: Few were able to stand in the Moon’s shadow and watch the Dec
2021年12月08日 Comet Hale-Bopp Over Val Parola Pass Image Credit & Copyright: A. Dimai, (Col Druscie Obs.), AAC Explanation: Comet Hale-Bopp, the Great Comet of 1997, became much brighter than any surrounding stars. It was seen even over bright city lights. Away from city lights, however, it put o
2021年12月07日 Ninety Gravitational Wave Spectrograms and Counting Image Credit: NSF, LIGO, VIRGO, KAGRA, Georgia Tech, Vanderbilt U.; Graphic: Sudarshan Ghonge & Karan Jani Explanation: Every time two massive black holes collide, a loud chirping sound is broadcast out into the universe in gravita
