Get Google Newsfeed on the topic: Quasars are remote powerhouses which baffled astronomers for a generation following their discovery in the early 1960s.

Star Cluster NGC3293 Planet Venus Photographed by Pioneer Rings of Saturn Titan Moon of Saturn 2 Surface of Ganymede Jupiters Moon 2 Leonid Storm Volcanic Regions Mercury photographed by Mariner 10 Volcanic Regions Layer of Cirrostratus Clouds Planets Orbits Galaxy M87 Fallstreak Cloud Cloud to Ground Lightening Stroke North Pole of Mars Eskimo Nebula Evolution of Planet Planet in Space Mars Image Hollow center of Galaxy NGC 7052 Mamma Cloud Alaskan Earthquake town Portage Kirkwood Gaps in Asteroid Belt Hydra Constellation Dark Street on Mars Mars View Galaxy Cluster 1 Our Planet Earth Earth and Jupiter Galaxy NGC 1512 Polar Poser Galaxy IRAS and another Kuiper Belt Cartered Mercury Gaspra Asteroid Tomographic Maps 50km Tomographic Maps 750km Mars Photographed by Viking Orbiter

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Quasars are remote powerhouses which baffled astronomers for a generation following their discovery in the early 1960s.