NASA’s Hubble Space Telescope Looks at Dwarf Galaxy PGC 18431

The Advanced Camera for Surveys on the NASA/ESA Hubble Space Telescope has taken an image of the dwarf irregular galaxy PGC 18431. Our home Milky Way Galaxy is just one of many galaxies. Galaxies clump together in clusters and even huge superclusters. The Milky Way, for example, is part of a cluster of over 50 [...] —> Read More