News tagged with early universe

A burst of stars 13 billion years ago

( —The universe immediately following the big bang contained mostly hydrogen and some helium. All the other elements needed to make galaxies, planets, and life were formed in stellar interiors or related processes. ...

dateJun 03, 2013 in Astronomy
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Modeling galaxy mergers

( —Astronomers think that many galaxies, including our own Milky Way, have undergone similar collisions during their lifetimes. Although galaxy collisions are important and common, what happens during these encounters ...

dateJun 03, 2013 in Astronomy
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Galaxies fed by funnels of fuel

( —Computer simulations of galaxies growing over billions of years have revealed a likely scenario for how they feed: a cosmic version of swirly straws.

dateMay 24, 2013 in Astronomy
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A space-time magnifying glass

( —Bright arcs are smeared around the heart of galaxy cluster Abell S1077 in this image taken by the NASA/ESA Hubble space telescope. The arcs are stretched images of distant galaxies distorted by the cluster's ...

dateMay 15, 2013 in Astronomy
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ALMA pinpoints early galaxies at record speed

( —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 Universe. ALMA ...

dateApr 17, 2013 in Astronomy
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Hubble telescope breaks record for farthest supernova

( —The supernova, designated SN UDS10Wil, belongs to a special class of exploding stars known as Type Ia supernovae. These bright beacons are prized by astronomers because they can be used as a yardstick for measuring ...

dateApr 04, 2013 in Astronomy
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