On winter evenings, Orion is one of the easiest star patterns to find in the sky. Its identifying feature ... is the Orion Nebula. Throughout the nebula (which is about 30 light years wide ...

The third-brightest deep-sky object, glowing at magnitude 0.6 ... It lies just south of the Orion Nebula (M42). Yet another pair ties for lucky 13, with first up the open cluster Collinder ...

The so-called Horsehead Nebula — in the constellation Orion — is 1,300 light years ... “It is considered one of the best regions in the sky to study how radiation interacts with interstellar ...

Within the Orion Nebula lies the Orion Bar ... "The spectroscopic dataset covers a much smaller area of the sky compared to the images, but it contains a ton more information.