Astronomy Picture of the Day

   [1]Discover the cosmos! Each day a different image or photograph of our
      fascinating universe is featured, along with a brief explanation
                    written by a professional astronomer.

                                2022 March 24
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                      Arp 78: Peculiar Galaxy in Aries
        Image Credit & [3]License: International Gemini Observatory /
                           [4]NOIRLab / NSF / AURA
     Processing: T.A. Rector (Univ. Alaska Anchorage), J. Miller (Gemini
               Observatory/NOIRLab), M. Zamani & D. de Martin

   Explanation: [5]Peculiar spiral galaxy Arp 78 is found within the
   boundaries of the head strong [6]constellation Aries. Some 100 million
   light-years [7]beyond the stars and nebulae of our Milky Way galaxy,
   the island universe is over 100,000 light-years across. Also known as
   NGC 772, it sports a prominent, outer spiral arm in [8]this detailed
   cosmic portrait from the large [9]Gemini North telescope near the
   summit of Maunakea, Hawaii, planet Earth. Tracking along sweeping dust
   lanes and [10]lined with young blue star clusters, Arp 78's spiral arm
   is likely pumped-up by galactic-scale gravitational tidal interactions
   The close companion galaxy responsible is NGC 770, located off the
   upper right of this frame. But more distant background galaxies are
   clearly visible in the [11]cosmic field of view.

                 Tomorrow's picture: serpentine protectress
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    Authors & editors: [23]Robert Nemiroff ([24]MTU) & [25]Jerry Bonnell
                                 ([26]UMCP)
          NASA Official: Phillip Newman [27]Specific rights apply.
              [28]NASA Web Privacy Policy and Important Notices
                A service of: [29]ASD at [30]NASA / [31]GSFC
                           & [32]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2203/noirlab2209a_ngc772.jpg
   3. https://creativecommons.org/licenses/by/4.0/
   4. https://noirlab.edu/public/
   5. http://ned.ipac.caltech.edu/level5/Arp/frames.html
   6. http://hawastsoc.org/deepsky/ari/index.html
   7. https://apod.nasa.gov/apod/ap070712.html
   8. https://noirlab.edu/public/news/noirlab2209/
   9. https://apod.nasa.gov/apod/ap161015.html
  10. http://arxiv.org/abs/0810.1748
  11. https://www.nasa.gov/image-feature/goddard/2019/hubble-spots-a-curious-spiral
  12. https://apod.nasa.gov/apod/ap220323.html
  13. https://apod.nasa.gov/apod/archivepix.html
  14. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  15. https://apod.nasa.gov/apod/lib/aptree.html
  16. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  17. https://apod.nasa.gov/apod/calendar/allyears.html
  18. https://apod.nasa.gov/apod.rss
  19. https://apod.nasa.gov/apod/lib/edlinks.html
  20. https://apod.nasa.gov/apod/lib/about_apod.html
  21. http://asterisk.apod.com/discuss_apod.php?date=220324
  22. https://apod.nasa.gov/apod/ap220325.html
  23. http://www.phy.mtu.edu/faculty/Nemiroff.html
  24. http://www.phy.mtu.edu/
  25. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  26. http://www.astro.umd.edu/
  27. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  28. https://www.nasa.gov/about/highlights/HP_Privacy.html
  29. https://astrophysics.gsfc.nasa.gov/
  30. https://www.nasa.gov/
  31. https://www.nasa.gov/centers/goddard/
  32. http://www.mtu.edu/