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 December 6
     [2]The featured image shows a silhouette of the International Space
     Station -- in great detail -- in front of the Moon. Please see the
                 explanation for more detailed information.

                    Space Station Silhouette on the Moon
                Image Credit & Copyright: [3]Andrew McCarthy

   Explanation: What's that unusual spot on the Moon? It's the
   [4]International Space Station. Using precise timing, the
   [5]Earth-orbiting space platform was photographed in front of a
   partially lit [6]gibbous Moon last month. The featured composite, taken
   from [7]Payson, [8]Arizona, [9]USA last month, was intricately composed
   by combining, in part, many 1/2000-second images from [10]a video of
   the ISS crossing [11]the Moon. A [12]close inspection of this unusually
   [13]crisp ISS silhouette will reveal the outlines of numerous solar
   panels and trusses. The bright [14]crater Tycho is visible on the upper
   left, as well as comparatively rough, light colored terrain known as
   [15]highlands, and relatively smooth, dark colored areas known as
   [16]maria. On-line [17]tools can tell you when the [18]International
   Space Station will be visible from your area.

                 Tomorrow's picture: 90 black holes merging
     __________________________________________________________________

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     __________________________________________________________________

    Authors & editors: [30]Robert Nemiroff ([31]MTU) & [32]Jerry Bonnell
                                 ([33]UMCP)
          NASA Official: Phillip Newman [34]Specific rights apply.
              [35]NASA Web Privacy Policy and Important Notices
                A service of: [36]ASD at [37]NASA / [38]GSFC
                           & [39]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2112/IssMoon_McCarthy_1663.jpg
   3. https://www.instagram.com/cosmic_background/
   4. https://www.nasa.gov/mission_pages/station/main/index.html
   5. https://apod.nasa.gov/apod/ap110309.html
   6. https://apod.nasa.gov/apod/ap181119.html
   7. https://youtu.be/c0Oa6MQ5URk
   8. https://en.wikipedia.org/wiki/Arizona
   9. https://en.wikipedia.org/wiki/United_States
  10. https://apod.nasa.gov/apod/image/2112/IssMoon_McCarthy.mp4
  11. https://solarsystem.nasa.gov/moons/earths-moon/in-depth/
  12. https://i0.wp.com/cattraveltips.com/wp-content/uploads/kitten-staring-in-fishbowl-home-cropped.jpg
  13. https://apod.nasa.gov/apod/ap150731.html
  14. https://apod.nasa.gov/apod/ap180507.html
  15. https://www.nasa.gov/mission_pages/grail/multimedia/pia16600.html
  16. https://en.wikipedia.org/wiki/Lunar_mare
  17. http://spotthestation.nasa.gov/
  18. https://apod.nasa.gov/apod/ap151109.html
  19. https://apod.nasa.gov/apod/ap211205.html
  20. https://apod.nasa.gov/apod/archivepix.html
  21. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  22. https://apod.nasa.gov/apod/lib/aptree.html
  23. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  24. https://apod.nasa.gov/apod/calendar/allyears.html
  25. https://apod.nasa.gov/apod.rss
  26. https://apod.nasa.gov/apod/lib/edlinks.html
  27. https://apod.nasa.gov/apod/lib/about_apod.html
  28. http://asterisk.apod.com/discuss_apod.php?date=211206
  29. https://apod.nasa.gov/apod/ap211207.html
  30. http://www.phy.mtu.edu/faculty/Nemiroff.html
  31. http://www.phy.mtu.edu/
  32. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  33. http://www.astro.umd.edu/
  34. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  35. https://www.nasa.gov/about/highlights/HP_Privacy.html
  36. https://astrophysics.gsfc.nasa.gov/
  37. https://www.nasa.gov/
  38. https://www.nasa.gov/centers/goddard/
  39. http://www.mtu.edu/