Cluster of Clusters At least three clusters of young stars make up NGC 6357, pictured here in X-rays, infrared, and visible light. NASA / Chandra X-ray Observatory / ROSAT / Spitzer Space Telescope / SuperCosmos Sky Survey March 13, 2017 Get our newsletter! Get our newsletter! You Might Also Like Triple Crescent July 27, 2015 The Rebirth of “America by Air” January 31, 2018 Mustang and Raptor at Dusk September 21, 2015 Found September 20, 2008 P-59 Rear View May 16, 2016 Get the latest stories in your inbox every weekday. Email Powered by Salesforce Marketing Cloud (Privacy Notice / Terms & Conditions)
