                APOD: 2018 January 24 - The Tadpoles of IC 410

                         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 January 24
                                      [2]
                            The Tadpoles of IC 410
                  Image Credit [3] : Juan Ignacio Jimenez [4]

Explanation: This telescopic close-up [5]  shows off the otherwise faint
emission nebula IC 410. It also features two remarkable inhabitants of the
cosmic pond of gas and dust below and left of center, the tadpoles [6] of IC
410. Partly obscured by foreground dust, the nebula itself surrounds NGC 1893,
a young [7] galactic cluster of stars. Formed in the interstellar cloud a mere
4 million years ago, the intensely hot, bright [8] cluster stars energize the
glowing gas. Composed of denser cooler gas and dust, the tadpoles are around
10 light-years long and are likely sites of ongoing star formation [9] .
Sculpted by [10] winds and radiation from the cluster stars, their heads are
outlined by bright ridges of ionized gas [11]  while their tails trail away
from the cluster's central region. IC 410 [12]  lies some 10,000 light-years
[13]  away, toward the nebula-rich constellation Auriga [14] .

                      Tomorrow's picture: open space [15]

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Site notes:
  [1] archivepix.html
  [2] image/1801/Tadpoles_Jimenez_3365.jpg
  [3] https://creativecommons.org/licenses/by/4.0/
  [4] https://www.observatorio-santaelena.com/
  [5] https://www.observatorio-santaelena.com/tadpoles
  [6] http://www.countrysideinfo.co.uk/metimag8.htm
  [7] http://arxiv.org/abs/1207.5632
  [8] ap070726.html
  [9] https://www.youtube.com/watch?v=YbdwTwB8jtc
  [10] http://www.spacetelescope.org/images/heic0506b/
  [11] https://www.youtube.com/watch?v=2osF6l6-zWg
  [12] ap170507.html
  [13] https://starchild.gsfc.nasa.gov/docs/StarChild/questions/question19.html
  [14] ap140213.html
  [15] ap180125.html
  [16] ap180123.html
  [17] archivepix.html
  [18] lib/apsubmit2015.html
  [19] lib/aptree.html
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  [21] calendar/allyears.html
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  [25] http://asterisk.apod.com/discuss_apod.php?date=180124
  [26] ap180125.html
  [27] http://www.phy.mtu.edu/faculty/Nemiroff.html
  [28] http://www.phy.mtu.edu/
  [29] https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
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