News tagged with black holes

New type of black-hole quasar discovered

(Phys.org) —Like our Milky Way, every known large galaxy has at its center a supermassive black hole, some of which are surrounded by a super-bright disk of hot gas called a quasar—but now a research ...

Nov 08, 2013
4.4 / 5 (30) 5 | with audio podcast

Black holes don't make a big splash

(Phys.org) —Throughout our universe, tucked inside galaxies far, far away, giant black holes are pairing up and merging. As the massive bodies dance around each other in close embraces, they send out gravitational ...

Nov 07, 2013
4.5 / 5 (19) 19 | with audio podcast

Image: Galaxy NGC 4945

This image provides a view into the central region of a galaxy that is similar in overall appearance to our own Milky Way, but contains a much more active supermassive black hole within the white area near ...

Nov 05, 2013
5 / 5 (2) 0

Suzaku study points to early cosmic 'seeding'

(Phys.org) —Most of the universe's heavy elements, including the iron central to life itself, formed early in cosmic history and spread throughout the universe, according to a new study of the Perseus Galaxy ...

Oct 31, 2013
4.5 / 5 (12) 1 | with audio podcast

Preserving the legacy of the X-ray universe

Every year, October is designated as American Archive Month. While many people may think "archive" means only dusty books and letters, there are, in fact, many other types of important archives. This includes ...

Oct 29, 2013
5 / 5 (1) 1

A link between black holes and new stars

Supermassive black holes (those with millions to billions of solar-masses) are thought to reside at the centers of most galaxies. These black holes must have undergone periods of intense accretion activity ...

Oct 23, 2013
4.8 / 5 (8) 5