News tagged with massive galaxy

Related topics: galaxies

Fermi observations of dwarf galaxies provide new insights on dark matter

(PhysOrg.com) -- There's more to the cosmos than meets the eye. About 80 percent of the matter in the universe is invisible to telescopes, yet its gravitational influence is manifest in the orbital speeds ...

Space & Earth / Astronomy

created Apr 02, 2012 | popularity 4.7 / 5 (16) | comments 77 | with audio podcast

Dark matter core defies explanation

(PhysOrg.com) -- Astronomers using data from NASA's Hubble Telescope have observed what appears to be a clump of dark matter left behind from a wreck between massive clusters of galaxies. The result could ...

Space & Earth / Astronomy

created Mar 02, 2012 | popularity 4.9 / 5 (25) | comments 87 | with audio podcast

Astronomers watch instant replay of powerful stellar eruption

Astronomers are watching the astronomical equivalent of an instant replay of a spectacular outburst from the unstable, behemoth double-star system Eta Carinae, which was initially seen on Earth nearly 170 ...

Space & Earth / Astronomy

created Feb 15, 2012 | popularity 4.7 / 5 (17) | comments 1 | with audio podcast

Black hole came from a shredded galaxy

(PhysOrg.com) -- Astronomers using NASA's Hubble Space Telescope have found a cluster of young, blue stars encircling the first intermediate-mass black hole ever discovered. The presence of the star cluster ...

Space & Earth / Astronomy

created Feb 15, 2012 | popularity 4.6 / 5 (13) | comments 13 | with audio podcast

Disaster looms for gas cloud falling into Milky Way's central black hole

The normally quiet neighborhood around the massive black hole at the center of our Milky Way Galaxy is being invaded by a gas cloud that is destined in just a few years to be ripped, shredded and largely eaten.

Space & Earth / Astronomy

created Dec 14, 2011 | popularity 4.9 / 5 (11) | comments 55 | with audio podcast

Small distant galaxies host supermassive black holes

(PhysOrg.com) -- Using the Hubble Space Telescope to probe the distant universe, astronomers have found supermassive black holes growing in surprisingly small galaxies. The findings suggest that central black ...

Space & Earth / Astronomy

created Sep 15, 2011 | popularity 4.2 / 5 (10) | comments 28 | with audio podcast

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 ...

Space & Earth / Astronomy

created May 25, 2011 | popularity 5 / 5 (8) | comments 8 | 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 ...

Space & Earth / Astronomy

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

Cosmic magnifying lenses distort view of distant galaxies

Looking deep into space, and literally peering back in time, is like experiencing the universe in a house of mirrors where everything is distorted through a phenomenon called gravitational lensing. Gravitational ...

Space & Earth / Astronomy

created Jan 12, 2011 | popularity 4.7 / 5 (10) | comments 1 | with audio podcast

The universe's most massive stars can form in near isolation, new study finds

(PhysOrg.com) -- New observations by University of Michigan astronomers add weight to the theory that the most massive stars in the universe could form essentially anywhere, including in near isolation; they ...

Space & Earth / Astronomy

created Dec 21, 2010 | popularity 4.5 / 5 (11) | comments 13 | with audio podcast

Ghosts of the future: First giant structures of the universe

(PhysOrg.com) -- Astronomers using the South Pole Telescope report that they have discovered the most massive galaxy cluster yet seen at a distance of 7 billion light-years. The cluster (designated SPT-CL ...

Space & Earth / Astronomy

created Oct 13, 2010 | popularity 5 / 5 (21) | comments 2 | with audio podcast

Astronomers use galactic magnifying lens to probe elusive dark energy

A team of astronomers has used a massive galaxy cluster as a cosmic magnifying lens to study the nature of dark energy for the first time. When combined with existing techniques, their results significantly ...

Space & Earth / Astronomy

created Aug 19, 2010 | popularity 4.4 / 5 (20) | comments 5 | with audio podcast

How Much Mass Makes a Black Hole? Astronomers Challenge Current Theories

(PhysOrg.com) -- Using ESO's Very Large Telescope, European astronomers have for the first time demonstrated that a magnetar -- an unusual type of neutron star -- was formed from a star with at least 40 times ...

Space & Earth / Astronomy

created Aug 18, 2010 | popularity 4.7 / 5 (31) | comments 31 | with audio podcast

Dark Energy Measurement Sheds New Light on Universe's Expansion

(PhysOrg.com) -- Through observations of massive galaxy clusters, scientists have made the most precise measurements to date of the effects of dark energy and gravity on cosmological scales. This work is an ...

Space & Earth / Astronomy

created Jul 15, 2010 | popularity 4.7 / 5 (34) | comments 38 | with audio podcast

M82: 'Survivor' Black Holes May Be Mid-Sized

(PhysOrg.com) -- New evidence from NASA's Chandra X-ray Observatory and ESA's XMM-Newton strengthens the case that two mid-sized black holes exist close to the center of a nearby starburst galaxy. These "survivor" ...

Space & Earth / Astronomy

created Apr 29, 2010 | popularity 4.8 / 5 (4) | comments 4 | with audio podcast