Quasars light up the sky – Some of the most breathtaking images in the night sky come from quasars. This artist's rendering displays the quasar's luminance, which is brighter than a billion suns. The beam is matter being shot into space.
Quasars light up the sky – Quasars get their energy from the massive amounts of matter being crushed by the black hole in their center.
Quasars light up the sky – An image of a quasar is seen through a telescope.
Quasars light up the sky – This Hubble Telescope image of a quasar shows the phenomenon as an infrared and monochrome image.
Finding quasars – Maarten Schmidt, pictured in the 1960s, discovered quasars and revealed the discovery to the public in 1963.