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Dreyer’s Nebula

Cone Nebula

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The Cone Nebula is an H II region located in the equatorial constellation Monoceros, the Unicorn. The pillar of gas and dust lies at an… Read More »Cone Nebula

Winter Triangle

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The Winter Triangle, or the Great Southern Triangle, is an asterism formed by Betelgeuse, Procyon, and Sirius. The three bright stars form an equilateral triangle… Read More »Winter Triangle