Explanation:
The Great Nebula in Orion, an immense, nearby starbirth region, is probably the
most famous of all astronomical nebulas. Here, glowing gas surrounds hot young
stars at the edge of an immense interstellar molecular cloud only 1500
light-years away. In the above deep image composite in assigned colors taken by
the Hubble Space Telescope wisps and sheets of dust and gas are particularly
evident. The Great Nebula in Orion can be found with the unaided eye near the
easily identifiable belt of three stars in the popular constellation Orion. In
addition to housing a bright open cluster of stars known as the Trapezium, the
Orion Nebula contains many stellar nurseries. These nurseries contain much
hydrogen gas, hot young stars, proplyds, and stellar jets spewing material at
high speeds. Also known as M42, the Orion Nebula spans about 40 light years and
is located in the same spiral arm of our Galaxy as the Sun.
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