恒星珠宝盒：疏散星团NGC 290
2019 October 13 A Stellar Jewel Box: Open Cluster NGC 290 Image Credit: NASA, ESA, Hubble; Acknowledgement: E. Olzewski (U. Arizona) Explanation: Jewels don’t shine this bright — only stars do. Like gems in a jewel box, though, the stars of open cluster NGC 290 glitter in a beautiful display of brightness and color. The photogenic cluster, pictur...