News tagged with galaxy formation

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Hubble tells a tale of galactic collisions

(Phys.org) —When we look into the distant cosmos, the great majority of the objects we see are galaxies: immense gatherings of stars, planets, gas, dust, and dark matter, showing up in all kind of shapes. ...

dateMay 13, 2013 in Astronomy
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A 'Rose' made of galaxies

(PhysOrg.com) -- In celebration of the twenty-first anniversary of the Hubble Space Telescope's deployment in April 2011, astronomers at the Space Telescope Science Institute pointed Hubble's eye to an especially ...

dateDec 21, 2011 in Astronomy
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'Space warps' project needs your help

(Phys.org) —Astronomers are asking volunteers to help them search for "space warps." More commonly known as "gravitational lenses," these are rare systems with very massive galaxies or clusters of galaxies that bend light ...

dateMay 08, 2013 in Astronomy
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Galaxy collisions

Collisions between galaxies are common. Indeed, most galaxies have probably been involved in one or more encounters during their lifetimes. One example is our own Milky Way, which is bound by gravity to the ...

dateApr 09, 2013 in Astronomy
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ALMA pinpoints early galaxies at record speed

(Phys.org) —A team of astronomers has used the new ALMA (Atacama Large Millimeter/submillimeter Array) telescope to pinpoint the locations of over 100 of the most fertile star-forming galaxies in the early ...

dateApr 17, 2013 in Astronomy
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Where are all the dwarfs?

Astronomers of the international CLUES collaboration have identified "Cosmic Web Stripping" as a new way of explaining the famous missing dwarf problem: the lack of observed dwarf galaxies compared with that ...

dateFeb 01, 2013 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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Hubble racks up 10,000 science papers

(PhysOrg.com) -- NASA's Hubble Space Telescope has passed another milestone in its 21 years of exploration: the 10,000th refereed science paper has been published. This makes Hubble one of the most prolific ...

dateDec 07, 2011 in Space Exploration
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Radio galaxies in the distant universe

(Phys.org) -- For over a decade astronomers have been probing a region of the northern sky, not far from the handle of the Big Dipper, that is relatively free of bright stars and the diffuse glow of the Milky ...

dateJun 26, 2012 in Astronomy
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An infrared atlas of interacting galaxies

Most galaxies, including our own Milky Way, have been influenced by an interaction with another galaxy at some time in their past. Interactions between galaxies can trigger an increase in star-formation activity ...

dateFeb 02, 2015 in Astronomy
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