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Universe & Cosmos

10 verified entries, each with its sources and the date we checked it.

Age of the universe13.8 billion yrsProxima Centauri4.2 lyAndromeda Galaxy2.5 million lySagittarius A*~4 million SunsM87*55 million lyCosmic microwave background2.725 KConfirmed exoplanets6,000+51 Pegasi b1995James Webb Space Telescope6.5 mFAST radio telescope500 m