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 14
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                              The Pale Blue Dot
          Image Credit: [3]Voyager Project, [4]NASA, [5]JPL-Caltech

   Explanation: [6]On Valentine's Day in 1990, cruising four billion miles
   from the Sun, the Voyager 1 spacecraft looked back one last time to
   make the first ever [7]Solar System family portrait. The portrait
   consists of the Sun and six planets in a [8]60 frame mosaic made from a
   vantage point 32 degrees above the ecliptic plane. Planet Earth was
   captured within a single pixel in this single frame. It's the pale blue
   dot within the sunbeam just right of center in [9]this reprocessed
   version of the now famous [10]view from Voyager. Astronomer Carl Sagan
   originated the idea of using Voyager's camera to look back [11]toward
   home from a distant perspective. Thirty years later, on this
   Valentine's day, [12]look again at the pale blue dot.

                      Tomorrow's picture: light-weekend
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     __________________________________________________________________

    Authors & editors: [24]Robert Nemiroff ([25]MTU) & [26]Jerry Bonnell
                                 ([27]UMCP)
          NASA Official: Phillip Newman [28]Specific rights apply.
              [29]NASA Web Privacy Policy and Important Notices
                A service of: [30]ASD at [31]NASA / [32]GSFC
                           & [33]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2002/PIA23645PaleBlueDot.jpg
   3. https://www.nasa.gov/mission_pages/voyager/index.html
   4. https://www.nasa.gov/
   5. https://www.jpl.nasa.gov/
   6. https://mars.nasa.gov/images/general/solidays/cards/postcard_images/mars-is-red-poem-nasa-mars-card.jpg
   7. http://photojournal.jpl.nasa.gov/catalog/PIA00451
   8. http://nssdc.gsfc.nasa.gov/photo_gallery/photogallery-solarsystem.html
   9. https://www.nasa.gov/feature/jpl/pale-blue-dot-revisited
  10. https://solarsystem.nasa.gov/news/1175/10-things-you-might-not-know-about-voyagers-famous-pale-blue-dot-photo/
  11. https://solarsystem.nasa.gov/resources/2513/earth-poster-version-g-the-pale-blue-dot/
  12. https://en.wikipedia.org/wiki/Pale_Blue_Dot#Reflections
  13. https://apod.nasa.gov/apod/ap200213.html
  14. https://apod.nasa.gov/apod/archivepix.html
  15. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  16. https://apod.nasa.gov/apod/lib/aptree.html
  17. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  18. https://apod.nasa.gov/apod/calendar/allyears.html
  19. https://apod.nasa.gov/apod.rss
  20. https://apod.nasa.gov/apod/lib/edlinks.html
  21. https://apod.nasa.gov/apod/lib/about_apod.html
  22. http://asterisk.apod.com/discuss_apod.php?date=200214
  23. https://apod.nasa.gov/apod/ap200215.html
  24. http://www.phy.mtu.edu/faculty/Nemiroff.html
  25. http://www.phy.mtu.edu/
  26. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  27. http://www.astro.umd.edu/
  28. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  29. https://www.nasa.gov/about/highlights/HP_Privacy.html
  30. https://astrophysics.gsfc.nasa.gov/
  31. https://www.nasa.gov/
  32. https://www.nasa.gov/centers/goddard/
  33. http://www.mtu.edu/