News tagged with cluster galaxies

Image: Hubble peeks inside a stellar cloud

(Phys.org) -- These bright stars shining through what looks like a haze in the night sky are part of a young stellar grouping in one of the largest known star formation regions of the Large Magellanic Cloud ...

dateApr 23, 2012 in Astronomy
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The earth is not at rest

(Phys.org) -- The Earth is not at rest. It orbits the Sun, which in turn orbits the center of the Milky Way Galaxy, which in turn moves within the Local Group of Galaxies - a collection of about fifty four ...

dateApr 18, 2012 in Astronomy
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Discovery of the Musket Ball Cluster

(Phys.org) -- Using a combination of powerful observatories in space and on the ground, astronomers have observed a violent collision between two galaxy clusters in which so-called normal matter has been wrenched ...

dateApr 12, 2012 in Astronomy
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VST captures collisions in young galaxy cluster

(PhysOrg.com) -- The VLT Survey Telescope (VST) at ESO’s Paranal Observatory in Chile has imaged a fascinating collection of interacting galaxies in the Hercules galaxy cluster. The sharpness of the new ...

dateMar 07, 2012 in Astronomy
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Galaxy cluster hidden in plain view

(PhysOrg.com) -- A team of astronomers has discovered the most distant cluster of red galaxies ever observed using FourStar, a new and powerful near-infrared camera on the 6.5m Magellan Baade Telescope. The ...

dateMar 06, 2012 in Astronomy
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Mystery deepens around dark core in cosmic collision

Five years ago, San Francisco State researcher Andisheh Mahdavi and his colleagues observed an unexpected dark core at the center of Abell 520, a cosmic "train wreck" of galaxy clusters. With new space-based telescope observations, ...

dateMar 02, 2012 in Astronomy
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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 ...

dateFeb 14, 2012 in Astronomy
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Hubble zooms in on a magnified galaxy

(PhysOrg.com) -- Thanks to the presence of a natural "zoom lens" in space, NASA's Hubble Space Telescope got a uniquely close-up look at the brightest "magnified" galaxy yet discovered.

dateFeb 02, 2012 in Astronomy
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When galaxy clusters collide

A UC Davis graduate student who is leading a study of the collision of galaxy clusters 5 billion light years away will discuss the team's findings today, Jan. 10, in a press briefing at the annual meeting of the American ...

dateJan 10, 2012 in Astronomy
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