News tagged with radio telescopes

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The outbursts of Fornax

(PhysOrg.com) -- The galaxy Fornax A, at a distance of about 74 million light-years, is one of the nearest and brightest galaxies with giant radio lobes. These huge radio lobes -- they span a million light-years -- are immense ...

dateOct 01, 2010 in Astronomy
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Cluster collisions switch on radio halos

(PhysOrg.com) -- This is a composite image of the northern part of the galaxy cluster Abell 1758, located about 3.2 billion light years from Earth, showing the effects of a collision between two smaller galaxy clusters.

dateAug 30, 2010 in Astronomy
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Discovery of Saturn's auroral heartbeat

(PhysOrg.com) -- An international team of scientists led by Dr Jonathan Nichols of the University of Leicester has discovered that Saturn’s aurora, an ethereal ultraviolet glow which illuminates Saturn’s upper atmosphere ...

dateAug 04, 2010 in Astronomy
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CSIRO telescope spots mega-star cradle

(PhysOrg.com) -- Using a CSIRO radio telescope, an international team of researchers has caught an enormous cloud of cosmic gas and dust in the process of collapsing in on itself -- a discovery which could help solve one ...

dateApr 28, 2010 in Astronomy
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Pulsars in many octaves

A unique combination of telescopes allowed astronomers to simultaneously observe the radio wavelength light from six different pulsars across wavelengths from only 3.5 centimetres up to 7 metres - a difference-factor of 200, ...

dateApr 22, 2010 in Astronomy
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Fermi maps an active galaxy's 'smokestack plumes'

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 ...

dateApr 01, 2010 in Astronomy
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Massive stars' magnetically controlled diets

(PhysOrg.com) -- A team of astronomers, led by Dr. Wouter Vlemmings at Bonn University, has used the MERLIN radio telescope network centred on the Jodrell Bank Observatory to show that magnetic fields play an important role ...

dateFeb 18, 2010 in Astronomy
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