Hubble celebrates 27th birthday with tilted view of two spiral galaxies
http://www.upi.com/Science_News/2017/04/20/Hubble-celebrates-27th-birthday-with-tilted-view-of-two-spiral-galaxies/9881492706712/?utm_source=sec&utm_campaign=sl&utm_medium=1 Source Cited: www.upi.com Sign in to see full entry.