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.

                               2020 February 1
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                          Apollo 14 Heads for Home
      Image Credit [3]Apollo 14, [4]NASA, JSC, ASU (Image Reprocessing:
                              [5]Andy Saunders)

   Explanation: When leaving lunar orbit in February 1971, the crew [6]of
   Apollo 14 watched [7]this Earthrise from their command module
   Kittyhawk. With Earth's sunlit crescent just peaking over the lunar
   horizon, the cratered terrain in the foreground is along the lunar
   farside. Of course, while orbiting the Moon, the crew could watch Earth
   rise and set, but the Earth hung stationary in the sky over [8]Fra
   Mauro Base, their landing site on the lunar surface. Rock samples
   brought back by the Apollo 14 mission included a 20 pound rock
   nicknamed Big Bertha, later determined to contain a likely fragment of
   a [9]meteorite from planet Earth.

                    Tomorrow's picture: shocking infrared
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    Authors & editors: [21]Robert Nemiroff ([22]MTU) & [23]Jerry Bonnell
                                 ([24]UMCP)
          NASA Official: Phillip Newman [25]Specific rights apply.
              [26]NASA Web Privacy Policy and Important Notices
                A service of: [27]ASD at [28]NASA / [29]GSFC
                           & [30]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2002/AS14-71-9845v2wmktwtr4Jerry.jpg
   3. https://nssdc.gsfc.nasa.gov/planetary/lunar/apollo14info.html
   4. https://www.nasa.gov/
   5. https://twitter.com/andysaunders_1
   6. https://history.nasa.gov/alsj/a14/a14.html
   7. https://www.lpi.usra.edu/resources/apollo/frame/?AS14-71-9845
   8. https://en.wikipedia.org/wiki/Fra_Mauro_formation
   9. https://www.sciencemag.org/news/2019/01/ancient-earth-rock-found-moon
  10. https://apod.nasa.gov/apod/ap200131.html
  11. https://apod.nasa.gov/apod/archivepix.html
  12. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  13. https://apod.nasa.gov/apod/lib/aptree.html
  14. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  15. https://apod.nasa.gov/apod/calendar/allyears.html
  16. https://apod.nasa.gov/apod.rss
  17. https://apod.nasa.gov/apod/lib/edlinks.html
  18. https://apod.nasa.gov/apod/lib/about_apod.html
  19. http://asterisk.apod.com/discuss_apod.php?date=200201
  20. https://apod.nasa.gov/apod/ap200202.html
  21. http://www.phy.mtu.edu/faculty/Nemiroff.html
  22. http://www.phy.mtu.edu/
  23. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  24. http://www.astro.umd.edu/
  25. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  26. https://www.nasa.gov/about/highlights/HP_Privacy.html
  27. https://astrophysics.gsfc.nasa.gov/
  28. https://www.nasa.gov/
  29. https://www.nasa.gov/centers/goddard/
  30. http://www.mtu.edu/