Hubble snaps a congested cluster
Hubble picture of Messier 75, taken with the telescope’s Advanced Video camera for Studies.
Credit: ESA/Hubble & & NASA, F. Ferraro et al.
This shimmering burst of stars is Messier75 It is a globular cluster: a round collection of stars bound together by gravity. Clusters like this orbit around galaxies and generally live in their external and less-crowded locations, collecting to form thick neighborhoods in the stellar suburban areas.
Messier 75 depends on our Galaxy galaxy in the constellation of Sagittarius (the Archer), around 67,000 light-years far from Earth. Most of the cluster’s stars, about 400,000 in overall, are discovered in its core; it is among the most largely inhabited clusters ever discovered, with an incredible luminosity of some 180,000 times that of the Sun. No surprise it photographs so well!
Found in 1780 by Pierre Méchain, Messier 75 was likewise observed by Charles Messier and contributed to his brochure later on that year. This picture of Messier 75 was caught by the NASA/ESA Hubble Area Telescope’s Advanced Video camera for Studies.
Messier 75 is included in Hubble’s Messier brochure, that includes a few of the most remarkable items that can be observed from Earth’s Northern Hemisphere.