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.

                                2019 April 12
                                      [2]
                A Cosmic Rose: The Rosette Nebula in Monoceros
                 Image Credit & Copyright [3] : Jean Dean [4]

Explanation: The Rosette Nebula, NGC 2237, is not the only cosmic cloud of gas
and dust to evoke [5]  the imagery [6]  of flowers [7] , but it is the most
famous. At the edge of a large molecular cloud [8] in Monoceros some 5,000
light years away, the petals of this cosmic rose are actually a stellar
nursery. The lovely, symmetric shape is sculpted by the winds [9]  and
radiation [10]  from its central cluster of hot young, O-type stars [11] .
Stars in the energetic cluster [12] , cataloged as NGC 2244 [13] , are only a
few million years young, while the central cavity in the Rosette Nebula, is
about 50 light-years [14] in diameter. The nebula can be seen with a small
telescope toward the constellation of Monoceros [15] , the Unicorn. This
natural appearing telescopic portrait of the Rosette Nebula was made using
broadband and narrowband filters, because sometimes roses aren't red [16] .

                 Tomorrow's picture: bright star, dark nebula

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    Authors & editors: Robert Nemiroff [28] (MTU [29] ) & Jerry Bonnell [30]
                                  (UMCP [31] )
          NASA Official:  Phillip Newman Specific rights apply [32] .
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              A service of: ASD [34]  at NASA [35]  / GSFC [36]
                           & Michigan Tech. U. [37]
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Site notes:
  [1] archivepix.html
  [2] image/1904/JMD_Rosette_Rotated.jpg
  [3] lib/about_apod.html#srapply
  [4] mailto: j m dean [at] cwgsy [dot] net
  [5] ap150217.html
  [6] ap070524.html
  [7] ap051229.html
  [8] http://www.gb.nrao.edu/~rmaddale/Education/ OrionTourCenter/monr2.html
  [9] https://en.wikipedia.org/wiki/Stellar_wind
  [10] https://srag.jsc.nasa.gov/spaceradiation/what... what.cfm
  [11] ap070726.html
  [12] https://www.youtube.com/watch?v=rQ4n2HjppWo
  [13] http://en.wikipedia.org/wiki/NGC_2244
  [14] http://www.grc.nasa.gov/WWW/k-12/Numbers/Math...
Mathematical_Thinking/how_long_is_a_light_year.htm
  [15] http://chandra.harvard.edu/photo/constellatio... monoceros.html
  [16] ap180222.html
  [17] ap190411.html
  [18] archivepix.html
  [19] lib/apsubmit2015.html
  [20] lib/aptree.html
  [21] http://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod...
  [22] calendar/allyears.html
  [23] /apod.rss
  [24] lib/edlinks.html
  [25] lib/about_apod.html
  [26] http://asterisk.apod.com/discuss_apod.php?dat...
  [27] ap190413.html
  [28] http://www.phy.mtu.edu/faculty/Nemiroff.html
  [29] http://www.phy.mtu.edu/
  [30] http://antwrp.gsfc.nasa.gov/htmltest/jbonnell...
  [31] http://www.astro.umd.edu/
  [32] lib/about_apod.html#srapply
  [33] http://www.nasa.gov/about/highlights/HP_Priva...
  [34] http://astrophysics.gsfc.nasa.gov/
  [35] http://www.nasa.gov/
  [36] http://www.nasa.gov/centers/goddard/
  [37] http://www.mtu.edu/

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