Recent images of the Horsehead ... top of the nebula’s dust and gas structure, per NASA. Related: NASA Finds ‘Christmas Tree ...
Get on the horse and ride This week’s large-telescope target is the famous Horsehead Nebula in Orion the Hunter. Because it occupies the 33rd slot on American astronomer Edward Emerson Barnard ...
February evenings offer some of the best conditions for viewing the famous winter constellations. This year they approach Mars from the east, ending the month with the Pleiades star cluster ...
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What Is a Nebula?
Hubble Telescope image of the Horsehead ... in the center of the nebula. In the 1920s, astronomers like Edwin Hubble noticed ...