NASA Composite Image in X-rays, Infrared, and Visible Light - Cluster of Star Clusters NGC 6357

At least three clusters of young stars make up NGC 6357, pictured here in X-rays, infrared, and visible light.

Image: NASA / Chandra X-ray Observatory / ROSAT / Spitzer Space Telescope / SuperCosmos Sky Survey

March 13, 2017

 

 

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