News tagged with massive galaxy

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Mysterious X-rays from a Nearby Galaxy

(PhysOrg.com) -- The nucleus of an active galaxy, an AGN, contains a massive black hole that is vigorously accreting material. In the process it typically ejects jets of particles and radiates brightly at ...

Nov 13, 2009
4.3 / 5 (15) 8

In a Galaxy Far, Far Away...

(PhysOrg.com) -- Astronomers have published the discovery of the farthest known object in the cosmos: a star that exploded when the universe was only 630 million years old -- only 4.6% of its current age. ...

Nov 06, 2009
4.9 / 5 (8) 38

Starring Intelligent Aliens

The most probable place to find intelligent life in the galaxy is around stars very similar to our sun, a new study has found.

Nov 05, 2009
4.7 / 5 (10) 8

Star-birth myth 'busted' (w/ Podcast)

(PhysOrg.com) -- An international team of researchers has debunked one of astronomy's long held beliefs about how stars are formed, using a set of galaxies found with CSIRO’s Parkes radio telescope.

Aug 25, 2009
4.2 / 5 (12) 11

Galaxies Demand a Stellar Recount

(PhysOrg.com) -- For decades, astronomers have gone about their business of studying the cosmos with the assumption that stars of certain sizes form in certain quantities. Like grocery stores selling melons ...

Aug 19, 2009
4.8 / 5 (16) 17

A Galaxy Collision in Action

This beautiful image gives a new look at Stephan's Quintet, a compact group of galaxies discovered about 130 years ago and located about 280 million light years from Earth. The curved, light blue ridge running ...

Jul 09, 2009
4.7 / 5 (10) 2

Most distant detection of water in the Universe

(PhysOrg.com) -- Astronomers have found the most distant signs of water in the Universe to date. Dr John McKean of the Netherlands Institute for Radio Astronomy (ASTRON) will be presenting the discovery at ...

Apr 22, 2009
4.6 / 5 (13) 1

A curious pair of galaxies

The ESO Very Large Telescope has taken the best image ever of a strange and chaotic duo of interwoven galaxies. The images also contain some surprises -- interlopers both far and near.

Mar 16, 2009
4.8 / 5 (12) 0

Active galaxies are different near and far

(PhysOrg.com) -- An ongoing X-ray survey undertaken by NASA's Swift spacecraft is revealing differences between nearby active galaxies and those located about halfway across the universe. Understanding these ...

Jan 06, 2009
4.8 / 5 (4) 0