News tagged with globular clusters

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Hubble sees Messier 70: Tight and bright

(Phys.org) -- In this image, the NASA/ESA Hubble Space Telescope has captured the brilliance of the compact center of Messier 70, a globular cluster. Quarters are always tight in globular clusters, where the ...

Apr 13, 2012
4.7 / 5 (3) 2

Glittering jewels of Messier 9

(PhysOrg.com) -- The NASA/ESA Hubble Space Telescope has produced the most detailed image so far of Messier 9, a globular star cluster located close to the center of the galaxy. This ball of stars is too faint ...

Mar 16, 2012
4.6 / 5 (8) 3 | with audio podcast

The survivors of a 13 billion year old massacre

(PhysOrg.com) -- Our Milky Way galaxy is surrounded by some 200 compact groups of stars, containing up to a million stars each. At 13 billion years of age, these globular clusters are almost as old as the ...

Feb 14, 2012
4.8 / 5 (9) 1 | with audio podcast

Young stars at home in ancient cluster

(PhysOrg.com) -- Looking like a hoard of gems fit for an emperor's collection, this deep sky object called NGC 6752 is in fact far more worthy of admiration. It is a globular cluster, and at over 10 billion ...

Feb 09, 2012
4 / 5 (2) 8

First low-mass star detected in globular cluster

Even the most powerful high-tech telescopes are barely able to record remote low-mass and thus faint stars. Together with researchers from Poland and Chile, an astrophysicist from the University of Zurich ...

Dec 15, 2011
4.5 / 5 (2) 10 | with audio podcast

VISTA finds new globular star clusters

(PhysOrg.com) -- Two newly discovered globular clusters have been added to the total of just 158 known globular clusters in our Milky Way. They were found in new images from ESO’s VISTA survey telescope ...

Oct 19, 2011
not rated yet 0 | with audio podcast

Globular clusters on a plane

Globular clusters are generally some of the oldest structures in our galaxy. Many of the most famous ones formed around the same time as our galaxy, some 13 billion years ago. However, some are distinctly ...

Sep 23, 2011
5 / 5 (1) 5

Building galaxies

(PhysOrg.com) -- Galaxies frequently collide with one another. Our own Milky Way galaxy, for example, and its nearest giant neighbor, the Andromeda galaxy, are heading towards each other at a rate of about ...

Jul 11, 2011
5 / 5 (2) 10 | with audio podcast

Gamma-ray emission from Terzan 5

(PhysOrg.com) -- The H.E.S.S. telescope system in Namibia discovered a new source of very-high-energy gamma-rays from the direction of the globular cluster Terzan 5. Being very likely located in the outer ...

Jun 24, 2011
4.8 / 5 (4) 2 | with audio podcast

'Oddball' star cluster is a hybrid, astronomer finds

(PhysOrg.com) -- Scientists will tell you that the romantic idea is factually true: we are made of the same stuff as stars. In fact, all chemical elements heavier than helium are made in the stars, and research into how the ...

Jun 01, 2011
5 / 5 (3) 0 | with audio podcast