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.

                               2020 October 15
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                             Galaxies in Pegasus
                 Image Credit & [3]Copyright: [4]Robert Eder

   Explanation: [5]This sharp telescopic view reveals galaxies scattered
   [6]beyond the stars of the Milky Way, at the northern boundary of the
   high-flying constellation [7]Pegasus. Prominent at the upper right is
   [8]NGC 7331. A mere 50 million light-years away, the large spiral is
   one of the brighter galaxies not included in [9]Charles Messier's
   famous 18th century catalog. The disturbed looking group of galaxies at
   the lower left is well-known as [10]Stephan's Quintet. About 300
   million light-years distant, the quintet dramatically illustrates a
   multiple galaxy collision, its [11]powerful, ongoing interactions posed
   for a brief cosmic snapshot. On the sky, the quintet and NGC 7331 are
   separated by about half a degree.

                     Tomorrow's picture: pixels in space
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    Authors & editors: [23]Robert Nemiroff ([24]MTU) & [25]Jerry Bonnell
                                 ([26]UMCP)
          NASA Official: Phillip Newman [27]Specific rights apply.
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                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/2010/NGC7331eder.jpg
   3. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
   4. https://artis-mastering.at/kontakt
   5. https://www.astrobin.com/jwh3e2/?nc=user
   6. http://history.aip.org/history/exhibits/cosmology/index.htm
   7. http://www.hawastsoc.org/deepsky/peg/index.html
   8. https://apod.nasa.gov/apod/ap140301.html
   9. https://www.nasa.gov/content/explore-the-night-sky-hubble-s-messier-catalog-bio
  10. https://apod.nasa.gov/apod/ap140327.html
  11. http://hubblesite.org/newscenter/archive/releases/2001/22/
  12. https://apod.nasa.gov/apod/ap201014.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=201015
  22. https://apod.nasa.gov/apod/ap201016.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/