              APOD: 2017 July 22 - Apollo 11: Catching Some Sun

                         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.

                                 2017 July 22
                                      [2]
                        Apollo 11: Catching Some Sun
    Image Credit: Apollo 11 [3] , NASA [4]  (Image scanned by Kipp Teague)

Explanation: Bright sunlight [5] glints and long dark shadows mark this image
of the lunar surface [6] . It was taken July 20, 1969 by Apollo 11 astronaut
Neil Armstrong [7] , the first to walk on the Moon [8] . Pictured is [9]  the
mission's lunar module, the Eagle, and spacesuited lunar module pilot Buzz
Aldrin unfurling a long sheet of foil also known as the Solar Wind Composition
Experiment [10] . Exposed facing the Sun, the foil trapped particles streaming
outward in the solar wind, catching a sample of material from the Sun [11]
itself. Along with moon rocks and lunar soil samples, the solar wind collector
was returned for analysis in earthbound laboratories [12] .

                    Tomorrow's picture: mercury mellon [13]

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    Authors & editors: Robert Nemiroff [25] (MTU [26] ) & Jerry Bonnell [27]
                                  (UMCP [28] )
          NASA Official:  Phillip Newman Specific rights apply [29] .
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              A service of: ASD [31]  at NASA [32]  / GSFC [33]
                           & Michigan Tech. U. [34]
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Site notes:
  [1] archivepix.html
  [2] image/1707/AS11-40-5872HR.jpg
  [3] https://www.nasa.gov/mission_pages/apollo/missions/ apollo11.html
  [4] https://www.nasa.gov/
  [5] https://www.facebook.com/ Apollo-Lunar-Surface-Journal-146600305410052/
  [6] http://www.hq.nasa.gov/alsj/a11/a11j.html
  [7] ap141220.html
  [8] http://www.lpi.usra.edu/moon.html
  [9] https://www.hq.nasa.gov/alsj/a11/images11.html#5872
  [10] http://www.lpi.usra.edu/lunar/missions/apollo/apollo_11/
experiments/swc/
  [11] https://en.wikipedia.org/wiki/Genesis_(spacecraft)
  [12] http://www.hq.nasa.gov/office/pao/History/SP-4214/ ch9-6.html
  [13] ap170723.html
  [14] ap170721.html
  [15] archivepix.html
  [16] lib/apsubmit2015.html
  [17] lib/aptree.html
  [18] http://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  [19] calendar/allyears.html
  [20] /apod.rss
  [21] lib/edlinks.html
  [22] lib/about_apod.html
  [23] http://asterisk.apod.com/discuss_apod.php?date=170722
  [24] ap170723.html
  [25] http://www.phy.mtu.edu/faculty/Nemiroff.html
  [26] http://www.phy.mtu.edu/
  [27] http://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  [28] http://www.astro.umd.edu/
  [29] lib/about_apod.html#srapply
  [30] http://www.nasa.gov/about/highlights/HP_Privacy.html
  [31] http://astrophysics.gsfc.nasa.gov/
  [32] http://www.nasa.gov/
  [33] http://www.nasa.gov/centers/goddard/
  [34] http://www.mtu.edu/
