News tagged with galaxy cluster

Entire star cluster thrown out of its galaxy

(Phys.org) —The galaxy known as M87 has a fastball that would be the envy of any baseball pitcher. It has thrown an entire star cluster toward us at more than two million miles per hour. The newly discovered ...

dateApr 30, 2014 in Astronomy
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Image: X-raying the cosmos

When we gaze up at the night sky, we are only seeing part of the story. Unfortunately, some of the most powerful and energetic events in the Universe are invisible to our eyes – and to even the best optical ...

dateApr 22, 2014 in Astronomy
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Cosmologists weigh cosmic filaments and voids

(Phys.org) —Cosmologists have established that much of the stuff of the universe is made of dark matter, a mysterious, invisible substance that can't be directly detected but which exerts a gravitational ...

dateApr 17, 2014 in Astronomy
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Pushy neighbors force stellar twins to diverge

(Phys.org) —Much like an environment influences people, so too do cosmic communities affect even giant dazzling stars: Peering deep into the Milky Way galaxy's center from a high-flying observatory, Cornell ...

dateApr 15, 2014 in Astronomy
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Astronomers challenge Cosmological Model

(Phys.org) —Astronomers Professor Chris Collins and Dr Ian McCarthy from LJMU's Astrophysics Research Institute are challenging the view that the currently preferred cosmological model of the Universe is ...

dateApr 03, 2014 in Astronomy
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Image: Magnifying the distant universe

(Phys.org) —Galaxy clusters are some of the most massive structures that can be found in the Universe—large groups of galaxies bound together by gravity. This image from the NASA/ESA Hubble Space Telescope ...

dateApr 01, 2014 in Astronomy
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Black hole makes 'String of Pearls' clusters

(Phys.org) —Huge young star clusters resembling a string of pearls around a black hole in the centre of a galaxy 120 million light-years away have been discovered by researchers at Swinburne University ...

dateApr 01, 2014 in Astronomy
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Spiral galaxy spills blood and guts

(Phys.org) —This new Hubble image shows spiral galaxy ESO 137-001, framed against a bright background as it moves through the heart of galaxy cluster Abell 3627. This cluster is violently ripping the spiral's ...

dateMar 04, 2014 in Astronomy
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Image: Hubble looks into Terzan 7

Named after its discoverer, the French-Armenian astronomer Agop Terzan, this is the globular cluster Terzan 7—a densely packed ball of stars bound together by gravity. It lies just over 75,000 light-years ...

dateFeb 17, 2014 in Astronomy
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Looking back to the cradle of our universe

(Phys.org) —NASA's Spitzer and Hubble Space Telescopes have spotted what might be one of the most distant galaxies known, harkening back to a time when our universe was only about 650 million years old ...

dateFeb 10, 2014 in Astronomy
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