News tagged with radio wavelengths

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Fireworks in the early universe

Galaxies in the early universe grew fast by rapidly making new stars. Such prodigious star formation episodes, characterized by the intense radiation of the newborn stars, were often accompanied by fireworks in the form of ...

dateSep 28, 2012 in Astronomy
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X-rays discovered from young supernova remnant

(Phys.org) -- Over fifty years ago, a supernova was discovered in M83, a spiral galaxy about 15 million light years from Earth. Astronomers have used NASA's Chandra X-ray Observatory to make the first detection of X-rays ...

dateJul 31, 2012 in Astronomy
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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 Way. The scientists ...

dateJun 26, 2012 in Astronomy
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ALMA turns its eyes to Centaurus A

(Phys.org) -- A new image of the galaxy Centaurus A, made with the Atacama Large Millimeter/submillimeter Array (ALMA), shows how the observatory allows astronomers to see through the opaque dust lanes that obscure the galaxy's ...

dateMay 31, 2012 in Astronomy
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Distorting the lens

(PhysOrg.com) -- One of the most bizarre predictions of Einstein's Theory of General Relativity is the existence of back holes, objects that are so dense that not even light can escape from their gravitational grasp. A related ...

dateFeb 09, 2012 in Astronomy
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