Hubble Zooms in on Arches Cluster

Astronomers using the Wide Field Camera 3 on the NASA/ESA Hubble Space Telescope have captured a new image of the Arches Cluster, the densest known cluster of stars in our Galaxy. Seen toward the constellation Sagittarius, the Arches Cluster is approximately 25,000 light-years from the Solar System. It is a youngster, about 2 to 2.5 [...] —> Read More