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 20
      [2]The featured image shows four planets lined up behind the RFK
      Triboro bridge in New York City. The image was taken just before
     sunrise two days ago. Please see the explanation for more detailed
                                information.

                      Planet Line over New York Bridge
                 Image Credit & [3]Copyright: [4]Stan Honda

   Explanation: There's an interesting sky to see if you wake up before
   the Sun. [5]Lined up on toward the eastern horizon are four planets in
   a row. The planets are so bright they can even be seen from the
   [6]bright sky inside a city. In fact, the featured image was taken from
   New York City, USA, with the foreground highlighted by the [7]RFK
   ([8]Triborough) [9]Bridge. Pictured, the planets are, left to right,
   [10]Jupiter, [11]Venus, [12]Mars, and [13]Saturn. The [14]planets all
   appear [15]in a row because they all orbit the [16]Sun in the same
   [17]plane. This plane, called the [18]ecliptic plane, was created in
   the early days of our [19]Solar System and includes all planets,
   including [20]Earth. The morning [21]planet parade will continue
   throughout April and May, and will even be joined by [22]Mercury in
   June.

             APOD volunteer programming opportunity: [23]Discord
                       Tomorrow's picture: open space
     __________________________________________________________________

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     __________________________________________________________________

    Authors & editors: [35]Robert Nemiroff ([36]MTU) & [37]Jerry Bonnell
                                 ([38]UMCP)
          NASA Official: Phillip Newman [39]Specific rights apply.
              [40]NASA Web Privacy Policy and Important Notices
                A service of: [41]ASD at [42]NASA / [43]GSFC
                           & [44]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2204/PlanetBridge_Honda_3000.jpg
   3. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
   4. http://www.stanhonda.com/
   5. https://youtu.be/ZgsUS-3mzRk
   6. https://apod.nasa.gov/apod/ap200408.html
   7. https://en.wikipedia.org/wiki/Robert_F._Kennedy_Bridge
   8. https://youtu.be/v9IFPppQJJI
   9. https://en.wikipedia.org/wiki/Robert_F._Kennedy_Bridge
  10. https://apod.nasa.gov/apod/ap220109.html
  11. https://solarsystem.nasa.gov/planets/venus/overview/
  12. https://mars.nasa.gov/
  13. https://apod.nasa.gov/apod/ap210919.html
  14. https://earthsky.org/astronomy-essentials/visible-planets-tonight-mars-jupiter-venus-saturn-mercury/
  15. https://p0.piqsels.com/preview/126/30/480/animals-cats-cute-feline-thumbnail.jpg
  16. https://apod.nasa.gov/apod/ap220411.html
  17. https://www.mathsisfun.com/geometry/plane.html
  18. https://en.wikipedia.org/wiki/Ecliptic#/media/File:Ecliptic_plane_side_view.gif
  19. https://solarsystem.nasa.gov/solar-system/our-solar-system/overview/
  20. https://apod.nasa.gov/apod/ap220206.html
  21. https://www.skyatnightmagazine.com/advice/skills/planetary-parade-spring/
  22. https://apod.nasa.gov/apod/ap170723.html
  23. http://asterisk.apod.com/viewtopic.php?t=42311
  24. https://apod.nasa.gov/apod/ap220419.html
  25. https://apod.nasa.gov/apod/archivepix.html
  26. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  27. https://apod.nasa.gov/apod/lib/aptree.html
  28. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  29. https://apod.nasa.gov/apod/calendar/allyears.html
  30. https://apod.nasa.gov/apod.rss
  31. https://apod.nasa.gov/apod/lib/edlinks.html
  32. https://apod.nasa.gov/apod/lib/about_apod.html
  33. http://asterisk.apod.com/discuss_apod.php?date=220420
  34. https://apod.nasa.gov/apod/ap220421.html
  35. http://www.phy.mtu.edu/faculty/Nemiroff.html
  36. http://www.phy.mtu.edu/
  37. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  38. http://www.astro.umd.edu/
  39. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  40. https://www.nasa.gov/about/highlights/HP_Privacy.html
  41. https://astrophysics.gsfc.nasa.gov/
  42. https://www.nasa.gov/
  43. https://www.nasa.gov/centers/goddard/
  44. http://www.mtu.edu/