Sentences with phrase «luminous galaxies in the universe»
Previously astronomers observed steady movements among the «brightest cluster galaxies (BCGs),» which — as the name implies — are the «most luminous galaxies in the universe.»
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The [galaxy] they're most excited about is three times as luminous as any other galaxy of a similar age, making it «by far the brightest galaxy ever observed at this stage in the universe,» the ESO said.
By learning about the change that the first stars and galaxies imposed on the universe, Hewitt said, HERA will help scientists figure out if the larger picture — the story — that they've pieced together about the emergence of luminous objects in the cosmos is correct.
«How can a quasar so luminous, and a black hole so massive, form so early in the history of the universe, at an era soon after the earliest stars and galaxies have just emerged?»
Neal Evans, an astronomy professor at the University of Texas at Austin, credits the researchers for broadening the observational window from the somewhat anomalous luminous events to include run - of - the - mill galaxies in the fairly young universe.
They looked at 140,000 distant quasars, luminous regions in the center of massive galaxies, when the universe was only one - quarter of its present age.
A newfound galaxy 12.5 billion light - years from Earth is the most luminous one known in the universe, blazing more brightly than 300 trillion suns.
This artist's concept depicts the most luminous galaxy known in the universe.
The hyper - luminous galaxies are located 13 billion light years away when the universe was in its infancy.
Quasars are among the most luminous objects in the universe, and generally are believed to be powered by material being drawn into a supermassive black hole at the center of a galaxy, releasing large amounts of energy.