Quasars. Astronomers first knew they had a mystery on their hands in the s If you'd like more information on Quasars, check out NASA's. This animation seems to be available at only one other place on YouTube. It's of interest from any point of view. A quasar is farther away from Earth than any other known object in the universe. This quasar is so far from Earth that its light took billions of years to travel here. Galaxies like the Milky Way may once have hosted a quasar that has long been silent. Vulcan, the name of a Roman god of fire, won hands down, probably because it was also the The optical spectra of the quasars presented a new mystery. Internet URLs are the best. A site for ages 14 and up. At some point, quasar activity ceases completely, leaving behind the dormant massive black holes found in most massive galaxies.