Astronomers from the University of Toronto and the University of Arizona have provided the first direct evidence that an intergalactic "wind" is stripping galaxies of star-forming gas as they fall into clusters of galaxies. ...
Astronomy
Nov 13, 2014
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(Phys.org) —NASA's Hubble Space Telescope has picked up the faint, ghostly glow of stars ejected from ancient galaxies that were gravitationally ripped apart several billion years ago. The mayhem happened 4 billion light-years ...
Astronomy
Oct 30, 2014
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Clusters of galaxies have back-stories worthy of a Hollywood blockbuster: their existences are marked by violence, death and birth, arising after extragalactic pile-ups where groups of galaxies crashed into each other.
Astronomy
Oct 15, 2014
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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 ...
Astronomy
Oct 15, 2014
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The Wide Field Imager on the MPG/ESO 2.2-meter telescope at ESO's La Silla Observatory in Chile has taken this beautiful image, dappled with blue stars, of one of the most star-rich open clusters currently known—Messier ...
Astronomy
Oct 1, 2014
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The chemical uniformity of stars in the same cluster is the result of turbulent mixing in the clouds of gas where star formation occurs, according to a study by astrophysicists at the University of California, Santa Cruz. ...
Astronomy
Aug 31, 2014
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Astronomers have used a worldwide network of radio telescopes to resolve a controversy over the distance to a famous star cluster—a controversy that posed a potential challenge to scientists' basic understanding of how ...
Astronomy
Aug 28, 2014
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This image, captured by the Wide Field Imager at ESO's La Silla Observatory in Chile, shows two dramatic star formation regions in the Milky Way. The first, on the left, is dominated by the star cluster NGC 3603, located ...
Astronomy
Aug 20, 2014
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(Phys.org) —This new NASA/ESA Hubble Space Telescope image shows the globular cluster IC 4499.
Astronomy
Aug 14, 2014
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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 ...
Astronomy
Aug 6, 2014
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