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.

                                2022 April 27
      [2]The featured image shows the planet Jupiter as seen by NASA's
    passing robotic spaceship Juno. A large dark spot seen on Jupiter is
    the shadow of Jupiter's moon Io. Please see the explanation for more
                            detailed information.

                           Moon Shadow on Jupiter
     Image Credit: [3]NASA/[4]JPL-Caltech/[5]SwRI/[6]MSSS; Processing &
                       [7]License: Thomas Thomopoulos

   Explanation: What is that large dark spot on Jupiter? It's the shadow
   of [8]Ganymede, [9]Jupiter's largest moon. When [10]Jupiter's moons
   cross between the Jovian giant and the Sun, they [11]created shadows
   just like when the [12]Earth's moon crosses between the Earth and the
   Sun. Also like on Earth, if you were in a [13]dark shadow on Jupiter,
   you would see a moon completely [14]eclipse the Sun. Unlike on Earth,
   [15]moon shadows occur most days on Jupiter -- what's [16]more unusual
   is that a spacecraft was close enough to record one with a
   [17]high-resolution [18]image. That [19]spacecraft, Juno, was passing
   so close to [20]Jupiter in late February that nearby clouds and the
   dark eclipse shadow appear [21]relatively large. Juno has made many
   discoveries about our [22]Solar System's largest planet, including,
   recently, [23]rapidly expanding circular auroras.

              Explore Your Universe: [24]Random APOD Generator
                       Tomorrow's picture: open space
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    Authors & editors: [36]Robert Nemiroff ([37]MTU) & [38]Jerry Bonnell
                                 ([39]UMCP)
          NASA Official: Phillip Newman [40]Specific rights apply.
              [41]NASA Web Privacy Policy and Important Notices
                A service of: [42]ASD at [43]NASA / [44]GSFC
                           & [45]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2204/JupiterDarkSpot_JunoTT_3298.jpg
   3. https://www.nasa.gov/
   4. https://www.jpl.nasa.gov/
   5. https://www.swri.org/
   6. http://www.msss.com/
   7. https://creativecommons.org/licenses/by/4.0/
   8. https://apod.nasa.gov/apod/ap210614.html
   9. https://solarsystem.nasa.gov/planets/jupiter/in-depth/
  10. https://solarsystem.nasa.gov/moons/jupiter-moons/overview//
  11. https://apod.nasa.gov/apod/ap110102.html
  12. https://eclipse2017.nasa.gov/static/img/eclipse-who-what-where-and-how/eclipsesHOW.png
  13. https://apod.nasa.gov/apod/ap200628.html
  14. https://apod.nasa.gov/apod/ap170820.html
  15. https://youtu.be/kGNxKnLmOH4
  16. http://funkot.ru/wp-content/uploads/2013/12/kotik-v-shapochke.jpg
  17. https://www.missionjuno.swri.edu/news/juno-captures-moon-shadow-on-jupiter
  18. https://photojournal.jpl.nasa.gov/catalog/PIA25015
  19. https://www.nasa.gov/mission_pages/juno/spacecraft/index.html
  20. https://en.wikipedia.org/wiki/Jupiter
  21. https://apod.nasa.gov/apod/ap190508.html
  22. https://spaceplace.nasa.gov/menu/solar-system/
  23. https://agupubs.onlinelibrary.wiley.com/doi/10.1029/2020JA028971
  24. http://apod.nasa.gov/apod/random_apod.html
  25. https://apod.nasa.gov/apod/ap220426.html
  26. https://apod.nasa.gov/apod/archivepix.html
  27. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  28. https://apod.nasa.gov/apod/lib/aptree.html
  29. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  30. https://apod.nasa.gov/apod/calendar/allyears.html
  31. https://apod.nasa.gov/apod.rss
  32. https://apod.nasa.gov/apod/lib/edlinks.html
  33. https://apod.nasa.gov/apod/lib/about_apod.html
  34. http://asterisk.apod.com/discuss_apod.php?date=220427
  35. https://apod.nasa.gov/apod/ap220428.html
  36. http://www.phy.mtu.edu/faculty/Nemiroff.html
  37. http://www.phy.mtu.edu/
  38. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  39. http://www.astro.umd.edu/
  40. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  41. https://www.nasa.gov/about/highlights/HP_Privacy.html
  42. https://astrophysics.gsfc.nasa.gov/
  43. https://www.nasa.gov/
  44. https://www.nasa.gov/centers/goddard/
  45. http://www.mtu.edu/