official news from : https://bit.ly/2QkyIbY This image from the NASA/ESA Hubble Space Telescope features Arp 72, a very selective galaxy group that only includes two galaxies interacting due to gravity: NGC 5996 (the large spiral galaxy) and NGC 5994 (its smaller companion, in the lower left of the image). Both galaxies lie approximately 160 millionContinue reading “Hubble Peers at Pair of Closely Interacting Galaxies”
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