News tagged with star cluster

Related topics: massive stars , stars

Some stars capture rogue planets

(Phys.org) -- New research suggests that billions of stars in our galaxy have captured rogue planets that once roamed interstellar space. The nomad worlds, which were kicked out of the star systems in which ...

Space & Earth / Astronomy

created Apr 17, 2012 | popularity 4.8 / 5 (10) | comments 16 | with audio podcast

Dark matter may be an illusion caused by the quantum vacuum

(PhysOrg.com) -- One of the biggest unsolved problems in astrophysics is that galaxies and galaxy clusters rotate faster than expected, given the amount of existing baryonic (normal) matter. The fast orbits ...

Physics / General Physics

created Aug 11, 2011 | popularity 4.7 / 5 (85) | comments 222 | with audio podcast report

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

How nature shapes the birth of stars

(Phys.org) -- Using state of the art computer simulations, a team of astronomers from the University of Bonn in Germany have found the first evidence that the way in which stars form depends on their birth ...

Space & Earth / Astronomy

created May 11, 2012 | popularity 4.7 / 5 (6) | comments 6 | with audio podcast

A model burster: Researchers find the first neutron star that bursts as predicted

For the first time, researchers at MIT and elsewhere have detected all phases of thermonuclear burning in a neutron star. The star, located close to the center of the galaxy in the globular cluster Terzan ...

Space & Earth / Astronomy

created Mar 02, 2012 | popularity 4.7 / 5 (11) | comments 2 | with audio podcast

VISTA views a vast ball of stars

(Phys.org) -- A new image of Messier 55 from ESO's VISTA infrared survey telescope shows tens of thousands of stars crowded together like a swarm of bees. Besides being packed into a relatively small space, ...

Space & Earth / Astronomy

created May 09, 2012 | popularity 3.7 / 5 (6) | comments 15 | with audio podcast

Hubble data used to look 10,000 years into the future (w/ Video)

(PhysOrg.com) -- The globular star cluster Omega Centauri has caught the attention of sky watchers ever since the ancient astronomer Ptolemy first catalogued it 2,000 years ago. Ptolemy, however, thought Omega ...

Space & Earth / Astronomy

created Oct 26, 2010 | popularity 4.3 / 5 (21) | comments 17 | with audio podcast

Blue stragglers: Astronomers discover how mysterious stars stay so young

(PhysOrg.com) -- Mysterious "blue stragglers" are old stars that appear younger than they should be: they burn hot and blue. Several theories have attempted to explain why they don't show their age, but, until ...

Space & Earth / Astronomy

created Oct 19, 2011 | popularity 4.3 / 5 (3) | comments 2 | with audio podcast

Hubble finds rare 'blue straggler' stars in Milky Way's hub

(PhysOrg.com) -- NASA's Hubble Space Telescope has found a rare class of oddball stars called blue stragglers in the hub of our Milky Way, the first detected within our galaxy's bulge.

Space & Earth / Astronomy

created May 26, 2011 | popularity 4.4 / 5 (9) | comments 3 | with audio podcast

Unexpected populations in global clusters may unlock secrets of star formation

(PhysOrg.com) -- Researchers at McMaster University in Hamilton, Ontario, are shedding new light on some of the oldest parts of the Milky Way, suggesting life in the stellar nursery wasn't quite as simple as astronomers had ...

Space & Earth / Astronomy

created May 30, 2011 | popularity 5 / 5 (8) | comments 1 | with audio podcast

'Ridiculously' dim bevy of stars found beyond Milky Way

(Phys.org) -- A team of American, Canadian and Chilean astronomers have stumbled onto a remarkably faint cluster of stars orbiting the Milky Way that puts out as much light as only 120 modest Sun-like stars. ...

Space & Earth / Astronomy

created Apr 27, 2012 | popularity 4.7 / 5 (16) | comments 72 | 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

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

New simulations suggest runaway stars may be outcasts from binaries

(PhysOrg.com) -- For at least half a century, astronomers have been perplexed by so-called runaway stars; big monsters that hurtle around galaxies at some thirty kilometers per second without apparent reason. Now however, ...

Space & Earth / Astronomy

created Nov 18, 2011 | popularity 5 / 5 (1) | comments 5 | with audio podcast report

Early exit for hot Jupiter due to deadly tides

(PhysOrg.com) -- Bad news for planet hunters: most of the "hot Jupiters" that astronomers have been searching for in star clusters were likely destroyed long ago by their stars. In a paper accepted for publication ...

Space & Earth / Astronomy

created Sep 10, 2010 | popularity 4.7 / 5 (14) | comments 1 | with audio podcast