Early universe bristled with starburst galaxies

In the first few billion years after the Big Bang, the universe contained far more so-called starburst galaxies than models predict. As many as 60 to 90% of the stars in the early universe appear to have been produced by ...

Astronomers take 'heartbeat' of black hole

A black hole gets a large corona before it emits jets. This is revealed, among other things, by the heartbeat graph that an international team of astronomers has made of a black hole and a star orbiting around each other. ...

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