nov 292013
Anne's Image of the Day: Hickson Compact Group 90

November 29, 2013 HCG 90, a small cluster of galaxies in Piscis Austrinus Image Credit: NASA, ESA, and R. Sharples (University of Durham) Hickson Compact Group 90 (HCG 90) is a tight cluster of 16 galaxies (including many dwarf galaxies), located approximately 100 million light-years away in the southern constellation of Piscis Austrinus (the Southern [continue reading]