          APOD: 2018 March 11 - Dual Particle Beams in Herbig Haro 24

                         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 March 11
                                      [2]
                    Dual Particle Beams in Herbig-Haro 24
  Image Credit: NASA [3] , ESA [4] , Hubble Heritage [5] (STScI [6] / AURA [7]
                        )/Hubble-Europe Collaboration;
   Acknowledgment: D. Padgett (NASA's GSFC [8] ), T. Megeath (U. Toledo), B.
                             Reipurth (U. Hawaii)

Explanation: This might look like [9]  a double-bladed lightsaber, but these
two cosmic jets actually beam outward from a newborn star in a galaxy near you
[10] . Constructed from Hubble Space Telescope image data, the stunning scene
spans about half a light-year across Herbig-Haro 24 (HH 24), some 1,300
light-years away in the stellar nurseries [11] of the Orion B molecular cloud
complex. Hidden from direct view, HH 24 [12] 's central protostar is
surrounded by cold dust and gas flattened into a rotating accretion disk [13]
. As material from the disk falls toward the young stellar object it heats up.
Opposing jets are blasted out [14]  along the system's rotation axis. Cutting
through the region's interstellar matter, the narrow, energetic jets produce a
series of glowing shock fronts along their path [15] .

                  Tomorrow's picture: flying over earth [16]

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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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                           & Michigan Tech. U. [37]
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Site notes:
  [1] archivepix.html
  [2] image/1803/HH24_hubble_1028.jpg
  [3] https://www.nasa.gov/
  [4] http://www.spacetelescope.org/
  [5] http://heritage.stsci.edu/
  [6] http://www.stsci.edu/
  [7] http://www.aura-astronomy.org/
  [8] https://www.nasa.gov/goddard
  [9] ap120421.html
  [10] http://hubblesite.org/newscenter/archive/releases/2015/42/
  [11] ap131010.html
  [12] https://www.youtube.com/watch?v=YWrUhvI7L8I
  [13] http://hubblesite.org/newscenter/archive/releases/2015/42/ image/b/
  [14] ap140204.html
  [15] http://hubblesite.org/newscenter/archive/releases/2015/42/ video/b/
  [16] ap180312.html
  [17] ap180310.html
  [18] archivepix.html
  [19] lib/apsubmit2015.html
  [20] lib/aptree.html
  [21] https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  [22] calendar/allyears.html
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  [24] lib/edlinks.html
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  [26] http://asterisk.apod.com/discuss_apod.php?date=180311
  [27] ap180312.html
  [28] http://www.phy.mtu.edu/faculty/Nemiroff.html
  [29] http://www.phy.mtu.edu/
  [30] https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  [31] http://www.astro.umd.edu/
  [32] lib/about_apod.html#srapply
  [33] https://www.nasa.gov/about/highlights/HP_Privacy.html
  [34] https://astrophysics.gsfc.nasa.gov/
  [35] https://www.nasa.gov/
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