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  • Cosmic telescope zooms in on the beginning of time

    Jeudi, 10 janvier 2019 08:27:07 De: Sciencedaily Dernière modification: Mercredi, 23 janvier, 2019 - 20:03

    Observations from Gemini Observatory identify a key fingerprint of an extremely distant quasar, allowing astronomers to sample light emitted from the dawn of time. Astronomers happened upon this deep glimpse into space and time thanks to a foreground galaxy acting as a gravitational lens, which magnified the ancient light. The Gemini observations provide critical pieces of the puzzle in confirming this object as the brightest appearing quasar so early in the history of the universe.