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Record breaking observations find most remote protocluster of galaxies

An international team of astronomers has discovered a protocluster of galaxies 13.0 billion light years away. This protocluster is the most distant protocluster ever found. The discovery suggests that a large structure such as a protocluster already existed at a time when the universe was only about 800 million years old or 6 percent of its present age.

Oct 1st, 2019

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Eyeballing a black hole's mass

There are no scales for weighing black holes. Yet astrophysicists have devised a new way for indirectly measuring the mass of a black hole, while also confirming its existence. They tested the new method on the Messier 87 active galaxy.

Sep 24th, 2019

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