nebula
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The Heart Nebula, IC 1805, Sharpless 2-190, lies some 7500 light years away from Earth and is located in the Perseus Arm of the Galaxy in the constellation Cassiopeia.
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An image of Hoag’s Object, a non-typical galaxy of the type known as a ring galaxy, discovered in 1950 by astronomer Art Hoag, who initially thought it to be a planetary nebula.
Serendipitously, from the perspective of our solar system what appears
to be an even more distant ring galaxy is plainly visible within the gap
between this galaxy’s central body of mostly yellow stars and the outer
ring of blue stars.