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Quasar history

This timeline outlines the evolution of astronomers' understanding of quasars.
Forty years have passed since astronomers first recognized a new class of exotic entities called quasars. The term "quasar" is short for "quasi-stellar object," and quasars do appear starlike when viewed through a telescope. However, quasars produce more energy than a hundred supergiant galaxies and are located at the very depths of the universe. In an effort to consolidate the many disparate pieces of information on quasars, we have put together this general timeline, mapping out the major achi...

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