The Trifid Nebula (M20) is a rare combination of a red emission nebula, a blue reflection nebula, and dark dust lanes. An extremely hot, young multiple star at its center has so much energy that it causes hydrogen gas to
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Trifid Nebula – M21
Magical Colors in Scorpius and Ophiuchus
The constellations of Scorpius and Ophiuchus offer unique color magic in the night sky. The colors come from a mixture of gas and dust. Dust, which is illuminated by starlight and produces blue reflection nebulae. Gaseous clouds that produce reddish
Read moreThe Ghost of Barnard – SH2-36
This very faint object, similar to a ghost, lies in the constellation of Sagittarius. Striking are the streaks of weakly reflecting clouds, the galactic cirrus. Originally described as an HII region, it is a nebula that is illuminated by our
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