News tagged with early stars

A burst of stars 13 billion years ago

(Phys.org) —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 ...

dateJun 03, 2013 in Astronomy
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Modeling galaxy mergers

(Phys.org) —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 ...

dateJun 03, 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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Galaxies the way they were

(Phys.org) —Galaxies today come very roughly in two types: reddish, elliptically shaped collections of older stars, and bluer, spiral shaped objects dominated by young stars. The conventional wisdom is ...

dateApr 03, 2013 in Astronomy
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Peering into a gateway opened 50 years ago

Saturday marked the 50th anniversary of the discovery of the quasar - an extremely bright object powered by matter falling into a super-massive black hole lying in the heart of a galaxy.

dateMar 17, 2013 in Astronomy
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Magnetic fields created before the first stars

Magnets have practically become everyday objects. Earlier on, however, the universe consisted only of nonmagnetic elements and particles. Just how the magnetic forces came into existence has been researched by Prof. Dr. Reinhard ...

dateJan 02, 2013 in General Physics
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