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 September 30
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                          Orion Rising over Brazil
              Image Credit & [3]Copyright: [4]Carlos Fairbairn

   Explanation: Have you seen Orion lately? The next few months will be
   the best for seeing this familiar constellation as it rises continually
   earlier in the night. However, [5]Orion's stars and [6]nebulas won't
   look quite [7]as colorful to the eye as they do in this fantastic
   camera image. In the featured image, [8]Orion was captured by camera
   showing its full colors last month over a [9]Brazilian copal tree from
   [10]Brazil's [11]Central-West Region. Here the cool red giant
   [12]Betelgeuse takes on a strong orange hue as the brightest star on
   the far left. Otherwise, Orion's hot blue [13]stars are numerous, with
   supergiant [14]Rigel balancing Betelgeuse at the upper right,
   [15]Bellatrix at the upper left, and [16]Saiph at the lower right.
   Lined up in [17]Orion's belt (bottom to top) are [18]Alnitak, Alnilam,
   and Mintaka all about 1,500 [19]light-years away, born of the
   constellation's well studied [20]interstellar clouds. And if a "star"
   toward the upper right [21]Orion's sword looks reddish and fuzzy to
   you, it should. It's the stellar nursery known as the [22]Great Nebula
   of Orion.

                     Tomorrow's picture: unsafe horizons
     __________________________________________________________________

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    Authors & editors: [34]Robert Nemiroff ([35]MTU) & [36]Jerry Bonnell
                                 ([37]UMCP)
          NASA Official: Phillip Newman [38]Specific rights apply.
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                A service of: [40]ASD at [41]NASA / [42]GSFC
                           & [43]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/1909/OrionTree_Fairbairn_1071.jpg
   3. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
   4. https://www.instagram.com/kikofairbairn/
   5. http://www.gb.nrao.edu/~rmaddale/Education/OrionTourCenter/optical.html
   6. https://en.wikipedia.org/wiki/Orion_Nebula
   7. https://apod.nasa.gov/apod/ap961202.html
   8. https://apod.nasa.gov/apod/ap161204.html
   9. https://en.wikipedia.org/wiki/Hymenaea_courbaril
  10. https://en.wikipedia.org/wiki/Brazil
  11. https://en.wikipedia.org/wiki/Central-West_Region,_Brazil
  12. https://apod.nasa.gov/apod/ap100106.html
  13. https://science.nasa.gov/astrophysics/focus-areas/how-do-stars-form-and-evolve
  14. https://en.wikipedia.org/wiki/Rigel
  15. http://www.astro.wisc.edu/~dolan/constellations/hr/1790.html
  16. http://www.astro.wisc.edu/~dolan/constellations/hr/2004.html
  17. http://www.gb.nrao.edu/~rmaddale/Education/OrionTourCenter/belt.html
  18. https://apod.nasa.gov/apod/ap061229.html
  19. http://chandra.harvard.edu/photo/cosmic_distance.html
  20. http://astronomy.swin.edu.au/cosmos/I/Interstellar+Gas+Cloud
  21. https://en.wikipedia.org/wiki/Orion_(mythology)
  22. https://apod.nasa.gov/apod/ap171129.html
  23. https://apod.nasa.gov/apod/ap190929.html
  24. https://apod.nasa.gov/apod/archivepix.html
  25. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  26. https://apod.nasa.gov/apod/lib/aptree.html
  27. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  28. https://apod.nasa.gov/apod/calendar/allyears.html
  29. https://apod.nasa.gov/apod.rss
  30. https://apod.nasa.gov/apod/lib/edlinks.html
  31. https://apod.nasa.gov/apod/lib/about_apod.html
  32. http://asterisk.apod.com/discuss_apod.php?date=190930
  33. https://apod.nasa.gov/apod/ap191001.html
  34. http://www.phy.mtu.edu/faculty/Nemiroff.html
  35. http://www.phy.mtu.edu/
  36. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  37. http://www.astro.umd.edu/
  38. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  39. https://www.nasa.gov/about/highlights/HP_Privacy.html
  40. https://astrophysics.gsfc.nasa.gov/
  41. https://www.nasa.gov/
  42. https://www.nasa.gov/centers/goddard/
  43. http://www.mtu.edu/