News tagged with galaxy clusters

A family portrait of galaxies

(Phys.org)—Two very different galaxies feature in this family portrait taken by the NASA/ESA Hubble Space Telescope, together forming a peculiar galaxy pair called Arp 116. The image shows the dramatic ...

dateSep 06, 2012 in Astronomy
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A cluster with a secret

(Phys.org)—A new image from ESO's La Silla Observatory in Chile shows the spectacular globular star cluster Messier 4. This ball of tens of thousands of ancient stars is one of the closest and most studied ...

dateSep 05, 2012 in Astronomy
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Northern Rockies skies for September

The early September night sky is dominated by the summer triangle (Vega, Deneb and Altair) directly overhead. The constellation Scorpius lies on the southwest horizon with its brilliant red star, Antares.

dateAug 30, 2012 in Space Exploration
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A super cluster of galaxies

(Phys.org)—Most galaxies lie in clusters, groupings of several to many thousands of galaxies. Our Milky Way galaxy itself is a member of the "Local Group," a band of about fifty galaxies whose other large ...

dateAug 28, 2012 in Astronomy
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Phoenix cluster sets record pace at forming stars

(Phys.org) -- Astronomers have found an extraordinary galaxy cluster -- one of the largest objects in the Universe -- that is breaking several important cosmic records. Observations of this cluster, known ...

dateAug 15, 2012 in Astronomy
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Astronomers crack mystery of the 'monster stars'

(Phys.org) -- In 2010 scientists discovered four 'monster' sized stars, with the heaviest more than 300 times as massive as our Sun. Despite their incredible luminosity, these exotic objects, located in the ...

dateAug 07, 2012 in Astronomy
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Hubble views the globular cluster M10

(Phys.org) -- Like many of the most famous objects in the sky, globular cluster Messier 10 was of little interest to its discoverer. Charles Messier, the 18th century French astronomer, cataloged over 100 ...

dateJun 26, 2012 in Astronomy
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Colliding galaxy cluster unravelled

An international team of astronomers has used the International LOFAR Telescope from ASTRON, the Netherlands Institute for Radio Astronomy, to study the formation of the galaxy cluster Abell 2256.

dateMay 24, 2012 in Astronomy
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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, ...

dateMay 09, 2012 in Astronomy
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