News tagged with black holes

Measuring the shape of the Milky Way's black hole

At the heart of our galaxy's center is SagA*, a supermassive black hole containing about four million solar-masses of material. SgrA* is relatively faint, unlike the supermassive black holes in some other galaxies. This is ...

dateJun 24, 2016 in Astronomy
shares122 comments 226

Team predicts a universe crowded with black holes

A new study published in Nature presents one of the most complete models of matter in the universe and predicts hundreds of massive black hole mergers each year observable with the second generation of gravitational wave ...

dateJun 22, 2016 in Astronomy
shares1244 comments 12

Dormant black hole eats star, becomes X-ray flashlight

Roughly 90 percent of the biggest black holes in the known universe are dormant, meaning that they are not actively devouring matter and, consequently, not giving off any light or other radiation. But sometimes a star wanders ...

dateJun 22, 2016 in Astronomy
shares1112 comments 17

Astrophysicists probe theory of black-hole accretion

Utilizing the Atacama Large Millimeter/submillimeter Array (ALMA), one of the most powerful telescopes in the world, U.S. Naval Research Laboratory (NRL) astrophysicist Dr. Tracy Clarke and an international team of researchers ...

dateJun 22, 2016 in Astronomy
shares44 comments 0