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Orion Molecular Cloud complex

Orion Molecular Cloud complex

Orion Molecular Cloud complex

Adrift 1,500 light-years away in one of the night sky’s most recognizable constellations, the glowing Orion Nebula and the dark Horse head Nebula are contrasting cosmic vistas. But even fainter filaments of glowing gas are easily traced throughout the region in this stunning composite image that includes exposures filtered to record emission from hydrogen atoms. The view reveals extensive nebulosities associated with the giant Orion Molecular Cloud complex, itself hundreds of light-years across. A magnificent emission region, the Orion Nebula (aka M42) lies at the upper right of the picture. Immediately to its left are a cluster of prominent bluish reflection nebulae sometimes called the Running Man. The Horse head nebula appears as a dark cloud, a small silhouette notched against the long red glow left of center. Alnitak is the easternmost star in Orion’s belt and the brightest star to the left of the Horse head. Below Alnitak is the Flame Nebula, with clouds of bright emission and dramatic dark dust lanes. Completing the trio of Orion’s belt stars, bluish Alnilam and Mintaka form a line with Alnitak, extending to the upper left.

Credit & Copyright: Robert Gendler

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