Watch This Space

Coalsack_2These dark areas are small parts of a huge dark nebula known as the Coalsack, one of the better known dark objects “visible” to the naked eye. The nebula is located about 600 light-years away in the constellation of Crux (The Southern Cross). This huge, cold object forms a conspicuous silhouette against the brighter background of Milky Way, but over the next few million years, coalescing stars in the Coalsack will ignite, filling in the blank spots.

Image Credit: ESO

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