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.

                                2024 March 27
    [2]A picture filled with fuzzy yellow spots is presented. All of the
   yellow spots are galaxies, and most of the galaxies are members of the
   Coma Cluster of Galaxies. The two bright blue dots are foreground stars
      in our own Milky Way Galaxy. Please see the explanation for more
                            detailed information.

                        The Coma Cluster of Galaxies
                    Image Credit & Copyright: [3]Joe Hua

   Explanation: Almost every object in the [4]featured photograph is a
   galaxy. The [5]Coma Cluster of Galaxies pictured here is one of the
   densest [6]clusters known - it contains thousands of [7]galaxies. Each
   of [8]these galaxies houses billions of stars - just as our own
   [9]Milky Way Galaxy does. Although nearby when compared to most other
   [10]clusters, light from the [11]Coma Cluster still takes hundreds of
   millions of years to reach us. In fact, the [12]Coma Cluster is so big
   it takes light [13]millions of years just to go from one side to the
   other. Most galaxies in [14]Coma and other clusters are
   [15]ellipticals, while most [16]galaxies outside of clusters are
   [17]spirals. The nature of [18]Coma's X-ray emission is [19]still being
   investigated.

                    Tomorrow's picture: millions of stars
     __________________________________________________________________

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    Authors & editors: [31]Robert Nemiroff ([32]MTU) & [33]Jerry Bonnell
                                 ([34]UMCP)
          NASA Official: Amber Straughn [35]Specific rights apply.
            [36]NASA Web Privacy, [37]Accessibility, [38]Notices;
                A service of: [39]ASD at [40]NASA / [41]GSFC,
                         [42]NASA Science Activation
                           & [43]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2403/ComaCluster_Hua_960.jpg
   3. https://www.instagram.com/joehua_/
   4. https://www.astrobin.com/vw7kj8/
   5. https://en.wikipedia.org/wiki/Coma_Cluster
   6. https://pages.astronomy.ua.edu/white/mug/cluster/clusters.html
   7. https://science.nasa.gov/universe/galaxies/
   8. https://www.youtube.com/watch?v=nh7aS5__b4k
   9. https://imagine.gsfc.nasa.gov/science/objects/milkyway1.html
  10. https://apod.nasa.gov/apod/clusters_of_galaxies.html
  11. https://apod.nasa.gov/apod/ap080616.html
  12. http://www.wikisky.org/?object=Coma+Cluster&zoom=9&img_source=DSS2
  13. https://as1.ftcdn.net/v2/jpg/05/52/68/44/1000_F_552684469_T6aPsjdMrfgOjn45o65VcmTDn7InQufD.jpg
  14. https://en.wikipedia.org/wiki/Coma_Berenices
  15. https://apod.nasa.gov/apod/elliptical_galaxies.html
  16. http://www.galaxyzoo.org/
  17. https://apod.nasa.gov/apod/ap240101.html
  18. https://en.wikipedia.org/wiki/Coma_Cluster#X-ray_source
  19. https://ui.adsabs.harvard.edu/abs/2000A&A...357...66D/abstract
  20. https://apod.nasa.gov/apod/ap240326.html
  21. https://apod.nasa.gov/apod/archivepix.html
  22. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  23. https://apod.nasa.gov/apod/lib/aptree.html
  24. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  25. https://apod.nasa.gov/apod/calendar/allyears.html
  26. https://apod.com/feed.rss
  27. https://apod.nasa.gov/apod/lib/edlinks.html
  28. https://apod.nasa.gov/apod/lib/about_apod.html
  29. https://asterisk.apod.com/discuss_apod.php?date=240327
  30. https://apod.nasa.gov/apod/ap240328.html
  31. http://www.phy.mtu.edu/faculty/Nemiroff.html
  32. http://www.phy.mtu.edu/
  33. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  34. http://www.astro.umd.edu/
  35. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  36. https://www.nasa.gov/about/highlights/HP_Privacy.html
  37. https://www.nasa.gov/general/accessibility/
  38. https://www.nasa.gov/privacy/
  39. https://astrophysics.gsfc.nasa.gov/
  40. https://www.nasa.gov/
  41. https://www.nasa.gov/centers/goddard/
  42. https://science.nasa.gov/learners
  43. http://www.mtu.edu/