Astronomy Picture of the Day( March 21, 2018): Camera Orion

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OrionMosaic_Lim_960.jpg
Camera Orion
Do you recognize this constellation? Although it is one of the most recognizable star groupings on the sky, Orion's icons don't look quite as colorful to the eye as they do to a camera. In this 20-image digitally-composed mosaic, cool red giant Betelgeuse takes on a strong orange tint as the brightest star at the upper left. Orion's hot blue stars are numerous, with supergiant Rigel balancing Betelgeuse at the lower right, and 1,500 light-years away, born from the constellation's well-studied

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