News tagged with cluster galaxies

Construction secrets of a galactic metropolis

Galaxy clusters are the largest objects in the Universe held together by gravity but their formation is not well understood. The Spiderweb Galaxy (formally known as MRC 1138-262) and its surroundings have been studied for ...

dateOct 15, 2014 in Astronomy
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Image: Hubble sees spiral in Serpens

( —This new NASA/ESA Hubble Space Telescope image shows a beautiful spiral galaxy known as PGC 54493, located in the constellation of Serpens (The Serpent). This galaxy is part of a galaxy cluster that has been ...

dateSep 08, 2014 in Astronomy
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A possible signal from dark matter?

( —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, including ...

dateAug 12, 2014 in Astronomy
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Triangulum galaxy snapped by VST

The VLT Survey Telescope at ESO's Paranal Observatory in Chile has captured a beautifully detailed image of the galaxy Messier 33. This nearby spiral, the second closest large galaxy to our own galaxy, is packed with bright ...

dateAug 06, 2014 in Astronomy
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A violent, complex scene of colliding galaxy clusters

Astronomers using the Karl G. Jansky Very Large Array (VLA) and the Chandra X-Ray Observatory have produced a spectacular image revealing new details of violent collisions involving at least four clusters of galaxies. Combined ...

dateJun 03, 2014 in Astronomy
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Very distant galaxy cluster confirmed

The structures and star populations of massive galaxies appear to change as they age, but much about how these galaxies formed and evolved remains mysterious. Many of the oldest and most massive galaxies reside in clusters, ...

dateMay 21, 2014 in Astronomy
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NASA image: A hungry starburst galaxy

( —This new Hubble picture is the sharpest ever image of the core of spiral galaxy Messier 61. Taken using the High Resolution Channel of Hubble's Advanced Camera for Surveys, the central part of the galaxy is ...

dateMay 13, 2014 in Astronomy
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