bey0ndspace: This striking spiral galaxy is home to a supernova, SN 2002fk, whose light reached Earth in September 2002. Astronomers are using that supernova to measure the expansion rate of the universe. via: NASA bey0ndspace.tumblr.com This is so
bey0ndspace: This striking spiral galaxy is home to a supernova, SN 2002fk, whose light reached Earth in September 2002. Astronomers are using that supernova to measure the expansion rate of the universe. via: NASA bey0ndspace.tumblr.com This is so
