Astronomy Picture of the Day

                         Astronomy Picture of the Day

    Discover the cosmos! [1] Each day a different image or photograph of our
 fascinating universe is featured, along with a brief explanation written by a
                           professional astronomer.

                                2018 November 9
                                      [2]
                            Little Planet Lookout
              Image Credit & Copyright [3] : Gyorgy Soponyai [4]

Explanation: Don't panic [5] . This little planet projection looks confusing,
but it's actually just a digitally warped and stitched, nadir centered [6]
mosaic of images that covers nearly 360x180 degrees. The images were taken on
the night of October 31 from a 30 meter tall hill-top lookout tower [7] near
Tatabanya, Hungary, planet Earth. The laticed lookout tower construction was
converted from a local mine elevator. Since planet Earth is rotating, [8] the
126 frames of 75 second long exposures also show warped, concentric star
trails with the north celestial pole at the left. Of course at this location
the south celestial pole is just right of center but below the the little
planet's horizon [9] .

                    Tomorrow's picture: the new moon's arms

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    Authors & editors: Robert Nemiroff [21] (MTU [22] ) & Jerry Bonnell [23]
                                  (UMCP [24] )
          NASA Official:  Phillip Newman Specific rights apply [25] .
              NASA Web Privacy Policy and Important Notices [26]
              A service of: ASD [27]  at NASA [28]  / GSFC [29]
                           & Michigan Tech. U. [30]
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Site notes:
  [1] archivepix.html
  [2] image/1811/prisonplanet_small.jpg
  [3] lib/about_apod.html#srapply
  [4] https://www.flickr.com/photos/vanamonde81/
  [5] https://www.nasa.gov/image-feature/ star-trails-seen-from-low-earth-orbit
  [6] https://upload.wikimedia.org/wikipedia/commons/thumb/4/47/
Zenith-Nadir-Horizon.svg/1000px-Zenith-Nadir-Horizon.svg.png
  [7] https://commons.wikimedia.org/wiki/
File:Ranzinger_lookout_tower,_2017_Tatab%C3%A1nya.jpg
  [8] ap070519.html
  [9] https://www.flickr.com/photos/vanamonde81/31873194648/in/ dateposted/
  [10] ap181108.html
  [11] archivepix.html
  [12] lib/apsubmit2015.html
  [13] lib/aptree.html
  [14] https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  [15] calendar/allyears.html
  [16] /apod.rss
  [17] lib/edlinks.html
  [18] lib/about_apod.html
  [19] http://asterisk.apod.com/discuss_apod.php?date=181109
  [20] ap181110.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] 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/

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