NASA shares pic of cluster of stars forming 'Christmas tree' in space

NASA has shared a picture of a cluster of stars along with Chandra data forming a 'Christmas tree' in space. It said the cluster, named NGC 2264, is between one and five million years old. "In this image of NGC 2264...Chandra data (red, purple, blue, and white) has been combined with optical data (green and violet)," the space agency added.