(PhysOrg.com) -- Supermassive black holes with the mass of many millions of stars have been detected at the centre of many large galaxies. A super-massive black hole acts like a lurking "monster" at the centre of the galaxy ...
Astronomy
May 11, 2010
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(PhysOrg.com) -- Radio astronomers at the University of Manchester’s Jodrell Bank Observatory have discovered a strange new object in a nearby galaxy. The object, which appeared very suddenly in radio wavelengths and shows ...
Astronomy
Apr 14, 2010
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(PhysOrg.com) -- Astronomers investigating why the cosmic background radiation is much brighter at radio wavelengths than expected have identified a potential culprit: fast spinning black holes early in the galaxy formation ...
Astronomy
Apr 14, 2010
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If our eyes could see radio waves, the nearby galaxy Centaurus A (Cen A) would be one of the biggest and brightest objects in the sky, nearly 20 times the apparent size of a full moon. What we can't see when looking at the ...
Astronomy
Apr 1, 2010
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(PhysOrg.com) -- Some dramatic galaxies eject gigantic, collimated jets of ionized gas millions of light-years long, powered by the massive black holes at their centers. The ionized jets are detected at radio wavelengths, ...
Astronomy
Oct 19, 2009
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No place seems safe from the prying eyes of inquisitive astronomers. They've traced the evolution of the universe back to the "Big Bang," the theoretical birth of the cosmos 13.7 billion years ago, but there's still a long ...
Astronomy
Oct 15, 2009
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Among the most astounding, unexpected, and important achievements of the past century (or even more) have been the discoveries of dark matter and dark energy, collectively dubbed the "dark sector."
General Physics
Sep 8, 2009
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(PhysOrg.com) -- An international team of researchers has debunked one of astronomy's long held beliefs about how stars are formed, using a set of galaxies found with CSIRO’s Parkes radio telescope.
Astronomy
Aug 25, 2009
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(PhysOrg.com) -- The earliest stars in the universe formed not only as individuals, but sometimes also as twins, according to a paper published today in Science Express. By creating robust simulations of the early universe, ...
General Physics
Jul 9, 2009
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CSIRO astronomers have revealed the hidden face of an enormous galaxy called Centaurus A, which emits a radio glow covering an area 200 times bigger than the full Moon.
Astronomy
Jul 7, 2009
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