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.

                                2023 June 13

         IFRAME: [2]https://www.youtube.com/embed/YEXuGgRCyS0?rel=0

                            Moons Across Jupiter
   Image Credit: [3]NASA; [4]ESA, [5]JPL, [6]Cassini Imaging Team, [7]SSI;
                        Processing: [8]Kevin M. Gill

   Explanation: Jupiter's moons [9]circle Jupiter. The [10]featured video
   depicts Europa and Io, two of [11]Jupiter's largest moons, crossing in
   front of the grand planet's [12]Great Red Spot, the largest known storm
   system in our [13]Solar System. The video was composed from images
   taken by the [14]robotic Cassini spacecraft as it passed Jupiter in
   2000, on its way to Saturn. The two moons visible are [15]volcanic Io,
   in the distance, and [16]icy Europa. In the time-lapse video, Europa
   appears to overtake Io, which is [17]odd because Io is closer to
   [18]Jupiter and moves faster. The explanation is that the motion of the
   fast [19]Cassini spacecraft changes the camera location significantly
   during imaging. Jupiter is currently being visited by [20]NASA's
   robotic [21]Juno spacecraft, while [22]ESA's [23]Jupiter Icy Moons
   Explorer (JUICE), [24]launched in April, is enroute.

                  Tomorrow's picture: interstellar predator
     __________________________________________________________________

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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]NASA Science Activation
                           & [46]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://www.youtube.com/embed/YEXuGgRCyS0?rel=0
   3. https://www.nasa.gov/
   4. https://www.esa.int/
   5. https://www.jpl.nasa.gov/
   6. https://ciclops.org/
   7. https://www.spacescience.org/
   8. https://www.flickr.com/people/kevinmgill/
   9. https://apod.nasa.gov/apod/ap221025.html
  10. https://www.flickr.com/photos/kevinmgill/44583965185/in/photostream/
  11. https://apod.nasa.gov/apod/ap001118.html
  12. https://apod.nasa.gov/apod/ap220109.html
  13. https://en.wikipedia.org/wiki/Solar_System
  14. https://solarsystem.nasa.gov/missions/cassini/mission/spacecraft/cassini-orbiter/
  15. https://apod.nasa.gov/apod/ap221211.html
  16. https://spaceplace.nasa.gov/europa/en/
  17. https://www.intermountainpet.com/hubfs/Blog_Images/Dogs-tilting-their-heads.jpg
  18. https://solarsystem.nasa.gov/planets/jupiter/overview/
  19. https://www.planetary.org/space-missions/cassini
  20. https://www.nasa.gov/
  21. https://www.missionjuno.swri.edu/spacecraft/
  22. https://www.esa.int/
  23. https://www.esa.int/Science_Exploration/Space_Science/Juice
  24. https://youtu.be/MvHcGmQPcsI?t=1788
  25. https://apod.nasa.gov/apod/ap230612.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. https://asterisk.apod.com/discuss_apod.php?date=230613
  35. https://apod.nasa.gov/apod/ap230614.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. https://science.nasa.gov/learners
  46. http://www.mtu.edu/