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

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

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

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

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

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

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

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

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

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

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

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

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

Hubble catches stars on the move (w/ Video)

(PhysOrg.com) -- With a mass of more than 10 000 suns packed into a volume with a diameter of a mere three light-years, the massive young star cluster in the nebula NGC 3603 is one of the most compact stellar ...

Space & Earth / Astronomy

created Jun 02, 2010 | popularity 4.1 / 5 (7) | comments 0 | with audio podcast

Hubble Catches Heavyweight Runaway Star Speeding from 30 Doradus

(PhysOrg.com) -- A heavy runaway star rushing away from a nearby stellar nursery at more than 400 000 kilometres per hour, a speed that would get you to the Moon and back in two hours. The runaway is the most ...

Space & Earth / Astronomy

created May 11, 2010 | popularity 5 / 5 (10) | comments 2 | with audio podcast