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.

                                2021 June 16
    [2]See Explanation. Moving the cursor over the image will bring up an
     annotated version. Clicking on the image will bring up the highest
                        resolution version available.

                              Scorpius Enhanced
                  Image Credit & Copyright: [3]Stefan Lenz

   Explanation: If Scorpius looked this good to the unaided eye, humans
   might remember it better. [4]Scorpius more typically appears as a few
   bright stars in a well-known but rarely pointed out [5]zodiacal
   [6]constellation. To get a spectacular image like this, though, one
   needs a good [7]camera, a [8]dark sky, and some sophisticated [9]image
   processing. The resulting digitally-enhanced image shows many
   [10]breathtaking features. Diagonal across the image right is part of
   the [11]plane of our [12]Milky Way Galaxy. Visible there are vast
   clouds of bright stars and long filaments of dark and intricate
   [13]dust. Rising vertically on the image left are dark dust bands known
   as the [14]Dark River. Several of the [15]bright stars on the left are
   part of [16]Scorpius' head and claws, and include the bright star
   [17]Antares. Numerous red [18]emission nebulas, blue [19]reflection
   nebulas, and dark filaments became visible as the deep 17-hour expo
   image developed. [20]Scorpius appears prominently in southern skies
   after sunset during the middle of the year.

                       Tomorrow's picture: open space
     __________________________________________________________________

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    Authors & editors: [32]Robert Nemiroff ([33]MTU) & [34]Jerry Bonnell
                                 ([35]UMCP)
          NASA Official: Phillip Newman [36]Specific rights apply.
              [37]NASA Web Privacy Policy and Important Notices
                A service of: [38]ASD at [39]NASA / [40]GSFC
                           & [41]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2106/ScorpiusEnhanced_Lenz_5000.jpg
   3. mailto: lenzfoto at email dot de
   4. http://www.allthesky.com/constellations/scorpius/
   5. https://en.wikipedia.org/wiki/Zodiac
   6. https://www.iau.org/public/themes/constellations/
   7. https://electronics.howstuffworks.com/digital-camera.htm
   8. https://www.darksky.org/
   9. http://cdn-www.cracked.com/articleimages/ob/old_computer.jpg
  10. https://i.pinimg.com/originals/d6/dc/8b/d6dc8b1771b697ff2992982482911274.jpg
  11. https://apod.nasa.gov/apod/ap050605.html
  12. https://solarsystem.nasa.gov/resources/285/the-milky-way-galaxy/
  13. https://apod.nasa.gov/apod/ap030706.html
  14. https://apod.nasa.gov/apod/ap090708.html
  15. http://astro-cabinet.com/showimage.php?image=Scorpius-12_5m_1600_ss1_names1.jpg&lang=English
  16. https://en.wikipedia.org/wiki/Scorpion
  17. https://apod.nasa.gov/apod/ap120417.html
  18. https://apod.nasa.gov/apod/emission_nebulae.html
  19. http://en.wikipedia.org/wiki/Reflection_nebula
  20. https://en.wikipedia.org/wiki/Scorpius
  21. https://apod.nasa.gov/apod/ap210615.html
  22. https://apod.nasa.gov/apod/archivepix.html
  23. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  24. https://apod.nasa.gov/apod/lib/aptree.html
  25. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  26. https://apod.nasa.gov/apod/calendar/allyears.html
  27. https://apod.nasa.gov/apod.rss
  28. https://apod.nasa.gov/apod/lib/edlinks.html
  29. https://apod.nasa.gov/apod/lib/about_apod.html
  30. http://asterisk.apod.com/discuss_apod.php?date=210616
  31. https://apod.nasa.gov/apod/ap210617.html
  32. http://www.phy.mtu.edu/faculty/Nemiroff.html
  33. http://www.phy.mtu.edu/
  34. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  35. http://www.astro.umd.edu/
  36. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  37. https://www.nasa.gov/about/highlights/HP_Privacy.html
  38. https://astrophysics.gsfc.nasa.gov/
  39. https://www.nasa.gov/
  40. https://www.nasa.gov/centers/goddard/
  41. http://www.mtu.edu/