News tagged with intracluster medium

Enriching the intracluster medium

(PhysOrg.com) -- Galaxies are sometimes found in large clusters with many hundreds of members. Typically there is a giant elliptical galaxy near the center; most of these ellipticals are very bright emitters ...

dateMar 22, 2011 in Astronomy
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Search results for intracluster medium

Staying warm: The hot gas in clusters of galaxies

Most galaxies lie in clusters, groupings of a few 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 member is the ...

dateNov 28, 2014 in Astronomy
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A possible signal from dark matter?

(Phys.org) —Galaxies are often found in groups or clusters, the largest known aggregations of matter and dark matter. The Milky Way, for example, is a member of the "Local Group" of about three dozen galaxies, ...

dateAug 12, 2014 in Astronomy
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For galaxies, having neighbors matters

Where galaxies live has an enormous effect on how they form stars, a puzzle that a new Canadian study is helping to solve. "To understand how galaxies evolve, we need to study the link between stars and gas, ...

dateJun 10, 2014 in Astronomy
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Cosmic magnetic fields

The mention of cosmic-scale magnetic fields is still likely to met with an uncomfortable silence in some astronomical circles – and after a bit of foot-shuffling and throat-clearing, the discussion will ...

dateMay 02, 2011 in Astronomy
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Weak Lensing Gains Strength

(PhysOrg.com) -- Berkeley Lab cosmologists were part of an international team that has extended the relationship between the x-ray luminosity and the mass of galaxy clusters as measured by gravitational lensing, ...

dateJan 19, 2010 in Astronomy
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Group Living Takes a Toll on Galaxies

Astronomers have detected substantial amounts of filamentary, cold gas in compact groups of galaxies, highlighting what may be an important force in galactic evolution, scientists announced today at the American ...

dateJun 05, 2006 in Astronomy
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Proto supermassive binary black hole detected in X-rays

An international team of astronomers led by D. Hudson from the University of Bonn has detected a proto supermassive binary black hole in images of NASA's Chandra X-ray observatory. They found that these two black holes are ...

dateApr 06, 2006 in
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