News tagged with massive galaxy

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Measuring galaxy black hole masses

(PhysOrg.com) -- Black holes, one of the most amazing and bizarre predictions of Einstein's theory of gravity, are irresistible sinks for matter and energy. They are so dense that not even light can escape ...

May 27, 2011
4.3 / 5 (6) 5

New candidate for most distant object in universe

(PhysOrg.com) -- A gamma-ray burst detected by NASA's Swift satellite in April 2009 has been newly unveiled as a candidate for the most distant object in the universe. At an estimated distance of 13.14 billion ...

May 25, 2011
5 / 5 (8) 8 | with audio podcast

Andromeda's coat of many colors (w/ video)

(PhysOrg.com) -- ESA's fleet of space telescopes has captured the nearby Andromeda Galaxy, also known as M31, in different wavelengths. Most of these wavelengths are invisible to the eye and each shows a different aspect ...

Apr 27, 2011
3.7 / 5 (3) 6 | with audio podcast

Large galaxies stopped growing 7 billion years ago

(PhysOrg.com) -- Galaxies are thought to develop by the gravitational attraction between and merger of smaller 'sub-galaxies', a process that standard cosmological ideas suggest should be ongoing. But new ...

Apr 20, 2011
4.9 / 5 (7) 4 | with audio podcast

The murmur of a monster

The Andromeda galaxy is the nearest large galaxy to our Milky Way. Like the Milky Way, it has a spiral-arm structure with a massive black hole at its nucleus. Unlike the Milky Way, however, its black hole ...

Feb 28, 2011
3.9 / 5 (9) 9

Astronomers calculate mass of largest black hole yet

(PhysOrg.com) -- Weighing 6.6 billion solar masses, the black hole at the center of galaxy M87 is the most massive black hole for which a precise mass has been measured. Using the Frederick C. Gillett Gemini ...

Jan 14, 2011 weblog
4.6 / 5 (30) 131 | with audio podcast

Partner galaxies different in new image

(PhysOrg.com) -- NASA's Wide-field Infrared Survey Explorer has captured a new view of two companion galaxies -- a somewhat tranquil spiral beauty and its rambunctious partner blazing with smoky star formation.

Jan 14, 2011
4.8 / 5 (9) 0 | with audio podcast

Astronomers identify most distant galaxy cluster

(PhysOrg.com) -- Astronomers have uncovered a burgeoning galactic metropolis, the most distant known in the early universe. This ancient collection of galaxies presumably grew into a modern galaxy cluster ...

Jan 12, 2011
4.4 / 5 (13) 1 | with audio podcast