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Breaking the supermassive black hole speed limit

A new computer simulation helps explain the existence of puzzling supermassive black holes observed in the early universe. The simulation is based on a computer code used to understand the coupling of radiation and certain materials.

Posted: Mar 22nd, 2017

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Does Mars have rings? Not right now, but maybe one day

Scientists have developed a model that suggests that debris that was pushed into space from an asteroid or other body slamming into Mars around 4.3 billion years ago and alternates between becoming a planetary ring and clumping up to form a moon.

Posted: Mar 21st, 2017

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Star in closest orbit ever seen around black hole

Astronomers have found evidence of a star that whips around a likely black hole twice an hour. This could be the tightest orbital dance ever seen by a black hole and a companion star in our own Milky Way galaxy.

Posted: Mar 13th, 2017

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Hubble hones in on a hypergiant's home

A beautiful Hubble image reveals a young super star cluster known as Westerlund 1, only 15,000 light-years away in our Milky Way neighborhood, yet home to one of the largest stars ever discovered.

Posted: Mar 10th, 2017

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