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 31
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                             A Galaxy of Horrors
    Poster Illustration Credit: [3]NASA, [4]JPL-Caltech, [5]The Galaxy of
                                   Horrors

   Explanation: Explore extreme and terrifying realms of the Universe
   tonight. If you dare to look, mysterious dark matter, a graveyard
   galaxy, zombie worlds, and gamma-ray bursts of doom are not all that
   awaits. Just follow the link and remember, it's all based on real
   science, even the scary parts. [6]Have a safe and happy halloween!

                    Tomorrow's picture: day of the trifid
     __________________________________________________________________

        [7]< | [8]Archive | [9]Submissions | [10]Index | [11]Search |
   [12]Calendar | [13]RSS | [14]Education | [15]About APOD | [16]Discuss |
                                    [17]>
     __________________________________________________________________

    Authors & editors: [18]Robert Nemiroff ([19]MTU) & [20]Jerry Bonnell
                                 ([21]UMCP)
          NASA Official: Phillip Newman [22]Specific rights apply.
              [23]NASA Web Privacy Policy and Important Notices
                A service of: [24]ASD at [25]NASA / [26]GSFC
                           & [27]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2010/1c-english-triplet-16.jpg
   3. http://www.nasa.gov/
   4. http://www.jpl.nasa.gov/
   5. https://exoplanets.nasa.gov/alien-worlds/galaxy-of-horrors/
   6. https://exoplanets.nasa.gov/alien-worlds/galaxy-of-horrors/
   7. https://apod.nasa.gov/apod/ap201030.html
   8. https://apod.nasa.gov/apod/archivepix.html
   9. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  10. https://apod.nasa.gov/apod/lib/aptree.html
  11. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  12. https://apod.nasa.gov/apod/calendar/allyears.html
  13. https://apod.nasa.gov/apod.rss
  14. https://apod.nasa.gov/apod/lib/edlinks.html
  15. https://apod.nasa.gov/apod/lib/about_apod.html
  16. http://asterisk.apod.com/discuss_apod.php?date=201031
  17. https://apod.nasa.gov/apod/ap201101.html
  18. http://www.phy.mtu.edu/faculty/Nemiroff.html
  19. http://www.phy.mtu.edu/
  20. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  21. http://www.astro.umd.edu/
  22. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  23. https://www.nasa.gov/about/highlights/HP_Privacy.html
  24. https://astrophysics.gsfc.nasa.gov/
  25. https://www.nasa.gov/
  26. https://www.nasa.gov/centers/goddard/
  27. http://www.mtu.edu/