News tagged with radio emission
Radio stars: Caltech's astronomy professor searches for cosmic radio waves
Growing up in rural northwest Ireland, beyond the reach of city lights, Gregg Hallinan fell in love with the night sky. "When you didn't have bad weather, and you didn't have clouds, the skies were nothing ...
Feb 03, 2012 |
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Hot molecule explains cold chemistry
(PhysOrg.com) -- Surprisingly, hydrogen cyanide and its far more energetic isomer, hydrogen isocyanide, are present in almost equal amounts in cold interstellar gas clouds. Scientists from the Max Planck Institute ...
Jan 30, 2012 |
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The birth of a telescope 30 times larger than Earth
(PhysOrg.com) -- On 15 November 2011, the Effelsberg 100-meter radio telescope, together with three Russian and one Ukrainian telescope, took part in the first interferometric observations with the orbiting ...
Dec 08, 2011 |
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The high energy crab
(PhysOrg.com) -- The Crab Nebula is the remnant of a supernova. Its precursor star exploded in 1054 AD in an event that was recorded by Chinese and (quite probably) Anasazi Indian astronomers. It is called ...
Oct 31, 2011 |
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An atlas of the Milky Way
Sino-German research group draws a new map at the Urumqi radio telescope and discovers two supernova remnants.
Aug 30, 2011 |
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'Odd couple' binary makes dual gamma-ray flares
(PhysOrg.com) -- In December 2010, a pair of mismatched stars in the southern constellation Crux whisked past each other at a distance closer than Venus orbits the sun. The system possesses a so-far unique ...
Jun 29, 2011 |
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CWRU law professor eyes prize-based incentives to generate climate innovation
Could a multi-million dollar prize spur the next big innovation in sustainable climate technology?
Jun 27, 2011 |
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Black holes spinning faster than ever before
(PhysOrg.com) -- Two UK astronomers have found that the giant black holes in the centre of galaxies are on average spinning faster than at any time in the history of the Universe. Dr Alejo Martinez-Sansigre ...
May 23, 2011 |
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Astronomers can tune in to radio auroras to find exoplanets
(PhysOrg.com) -- Detecting exoplanets that orbit at large distances from their star remains a challenge for planet hunters. Now, scientists at the University of Leicester have shown that emissions from the ...
Apr 19, 2011 |
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Cosmic radio beacons
(PhysOrg.com) -- Because all cosmic objects evolve with time, astronomers sometimes have a difficult time deciding if two sources that seem different are actually related but just in different stages of life. ...
Nov 08, 2010 |
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Pushing the envelope
(PhysOrg.com) -- G327.1-1.1 is the aftermath of a massive star that exploded as a supernova in the Milky Way galaxy.
Oct 05, 2010 |
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X-Ray Jets
(PhysOrg.com) -- The supermassive black holes that lie at the centers of galaxies can spawn tremendous bipolar jets of atomic particles.
Sep 07, 2010 |
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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 ...
Aug 30, 2010 |
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Why are sunspots a source of radio emissions? Researcher explains more
Why sunspots are a strong source of radio emissions and what information those emissions carry will be the focus of an invited talk by NJIT Research Professor Jeongwoo Lee tomorrow at the International Astronomical ...
Aug 25, 2010 |
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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 ...
Aug 04, 2010 |
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