News tagged with supermassive black holes

Related topics:

The power of spin

(PhysOrg.com) -- Supermasssive black holes - objects with masses of millions or billions of suns - are found at the nuclei of dramatic galaxies like quasars where they are responsible for some of the most ...

Jan 28, 2011
4.3 / 5 (9) 5

An Intergalactic Weather Map

(PhysOrg.com) -- This composite image shows an intergalactic "weather map" around the elliptical galaxy NGC 5813, the dominant central galaxy in a galaxy group located about 105 million light years away from ...

Dec 08, 2010
5 / 5 (5) 0

Astronomy without a telescope - black hole evolution

While only observable by inference, the existence of supermassive black holes (SMBHs) at the centre of most – if not all – galaxies remains a compelling theory supported by a range of indirect observational ...

Nov 29, 2010
4.8 / 5 (6) 2

X-Ray Jets

(PhysOrg.com) -- The supermassive black holes that lie at the centers of galaxies can spawn tremendous bipolar jets of atomic particles.

Sep 07, 2010
4.6 / 5 (8) 1

Rain of giant gas clouds create active galactic nuclei

Galaxies like our own were built billions of years ago from a deluge of giant clouds of gas, some of which continue to rain down. Now new calculations tie the rain of giant clouds of gas to active galactic nuclei (AGN), the ...

Jul 08, 2010
4.3 / 5 (7) 3

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

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