松开之中的NGC 3169
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标签： 相互作用星系
255小时长曝光下的M51
2023年8月11日 Messier 51 in 255 Hours Image Credit & Copyright: The Deep Sky Collective – Carl Björk, Thomas Bähnck, Sebastian Donoso, Jake Gentillon, Antoine and Dalia Grelin, Stephen Guberski, Richard Hall, Tino Heuberger, Jason Jacks, Paul Kent, Brian Meyers, William Ostling, Nicolas Puig, Tim Schaeffer, Felix Schöfbänker, Mikhail Vasilev Explanat...
波江座的星系
2023年7月27日 Galaxies in the River Image Credit & License: CTIO/NOIRLab/DOE/NSF/AURA; R. Colombari, M. Zamani & D. de Martin (NSF’s NOIRLab) Explanation: Large galaxies grow by eating small ones. Even our own galaxy engages in a sort of galactic cannibalism, absorbing small galaxies that are too close and are captured by the Milky Way’s gravity...
崩解之中的NGC 3169
2023年3月2日 Unraveling NGC 3169 Image Credit & Copyright: Mike Selby & Mark Hanson Explanation: Spiral galaxy NGC 3169 looks to be unraveling like a ball of cosmic yarn. It lies some 70 million light-years away, south of bright star Regulus toward the faint constellation Sextans. Wound up spiral arms are pulled out into sweeping tidal tails as NGC 31...
Arp 78: 白羊座的特殊星系
2023年2月23日 Arp 78: Peculiar Galaxy in Aries Image Credit & Copyright: Josep Drudis Explanation: Peculiar spiral galaxy Arp 78 is found within the boundaries of the head strong constellation Aries. Some 100 million light-years beyond the stars and nebulae of our Milky Way galaxy, the island universe is an enormous 200,000 light-years across. Also known a...
哈勃的怀尔德三重星系
2022年11月8日 Galaxies: Wild’s Triplet from Hubble Image Credit: ESA/Hubble, NASA, Dark Energy Survey/DOE/FNAL/DECam/CTIO/NOIRLab/NSF/AURA, J. Dalcanton Explanation: How many galaxies are interacting here? This grouping of galaxies is called the Wild Triplet, not only for the discoverer, but for the number of bright galaxies that appear. It had been assum...
M51：涡状星系
2022年9月2日 M51: The Whirlpool Galaxy Image Credit & Copyright: Fabian Neyer Explanation: Find the Big Dipper and follow the handle away from the dipper’s bowl until you get to the last bright star. Then, just slide your telescope a little south and west and you’ll come upon this stunning pair of interacting galaxies, the 51st entry in Charles...
韦伯望远镜的车轮星系
2022年8月24日 The Cartwheel Galaxy from Webb Image Credit: NASA, ESA, CSA, STScI, Webb ERO Production Team Explanation: To some, it looks like a wheel of a cart. In fact, because of its outward appearance, the presence of a central galaxy, and its connection with what looks like the spokes of a wheel, the galaxy on the right is known as the Cartwheel Galaxy. To...
Arp 286：室女三重星系
2022年6月10日 Arp 286: Trio in Virgo Image Credit & Copyright: Nicolas Rolland, Telescope.Live Explanation: This colorful telescopic field of view features a trio of interacting galaxies almost 90 million light-years away, toward the constellation Virgo. On the right two spiky, foreground Milky Way stars echo the extragalactic hues, a reminder that stars i...
Arp 78：白羊座的特殊星系
2022年3月24日 Arp 78: Peculiar Galaxy in Aries Image Credit & License: International Gemini Observatory / NOIRLab / NSF / AURA Processing: T.A. Rector (Univ. Alaska Anchorage), J. Miller (Gemini Observatory/NOIRLab), M. Zamani & D. de Martin Explanation: Peculiar spiral galaxy Arp 78 is found within the boundaries of the head strong constellation Arie...