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.

                               2019 December 6
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                             Pleiades to Hyades
         Image Credit & [3]Copyright: [4]Amir H. Abolfath ([5]TWAN)

   Explanation: [6]This cosmic vista stretches almost 20 degrees from top
   to bottom, across the [7]dusty constellation Taurus. It begins at the
   Pleiades and ends at the Hyades, two star clusters recognized [8]since
   antiquity in Earth's night sky. At top, the compact [9]Pleiades star
   cluster is about 400 light-years away. The lovely grouping of young
   cluster stars shine through dusty clouds that scatter blue starlight.
   At bottom, the V-shaped Hyades cluster looks more spread out in
   comparison and lies much closer, [10]150 light-years away. The
   [11]Hyades cluster stars seem anchored by [12]bright Aldebaran, a red
   giant star with a yellowish appearance. But Aldebaran actually lies
   only 65 light-years distant and just by chance along the line of sight
   to the Hyades cluster. Faint and darkly obscuring dust clouds found
   near the edge of the [13]Taurus Molecular Cloud are also evident
   throughout the celestial scene. The wide field of view includes the
   dark nebula [14]Barnard 22 at left with youthful star [15]T Tauri and
   Hind's variable nebula just above Aldebaran in the frame.

                     Tomorrow's picture: pixels in space
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    Authors & editors: [27]Robert Nemiroff ([28]MTU) & [29]Jerry Bonnell
                                 ([30]UMCP)
          NASA Official: Phillip Newman [31]Specific rights apply.
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                A service of: [33]ASD at [34]NASA / [35]GSFC
                           & [36]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/1912/TaurusAbolfath.jpg
   3. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
   4. http://amir.torgheh.ir/about.php
   5. http://www.twanight.org/newTWAN/index.asp
   6. http://amir.torgheh.ir/picture.php?/1404/category/13
   7. http://comfychair.org/~cmbell/myth/taurus.html
   8. http://faculty.goucher.edu/eng240/shield_of_achilles.htm
   9. https://apod.nasa.gov/apod/ap191107.html
  10. https://apod.nasa.gov/apod/ap121224.html
  11. http://www.nightskyinfo.com/archive/hyades/
  12. http://stars.astro.illinois.edu/sow/aldebaran.html
  13. https://www.herschel.caltech.edu/image/nhsc2017-002c
  14. https://cosmicpursuits.com/2538/the-taurus-molecular-cloud/
  15. https://apod.nasa.gov/apod/ap110326.html
  16. https://apod.nasa.gov/apod/ap191205.html
  17. https://apod.nasa.gov/apod/archivepix.html
  18. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  19. https://apod.nasa.gov/apod/lib/aptree.html
  20. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  21. https://apod.nasa.gov/apod/calendar/allyears.html
  22. https://apod.nasa.gov/apod.rss
  23. https://apod.nasa.gov/apod/lib/edlinks.html
  24. https://apod.nasa.gov/apod/lib/about_apod.html
  25. http://asterisk.apod.com/discuss_apod.php?date=191206
  26. https://apod.nasa.gov/apod/ap191207.html
  27. http://www.phy.mtu.edu/faculty/Nemiroff.html
  28. http://www.phy.mtu.edu/
  29. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  30. http://www.astro.umd.edu/
  31. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  32. https://www.nasa.gov/about/highlights/HP_Privacy.html
  33. https://astrophysics.gsfc.nasa.gov/
  34. https://www.nasa.gov/
  35. https://www.nasa.gov/centers/goddard/
  36. http://www.mtu.edu/