News tagged with radio halos
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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Search results for radio halos
A cannibalistic galaxy with a powerful heart
Observations by the two of the European Space Agency's space observatories have provided a multi-wavelength view of the mysterious galaxy Centaurus A. The new images, from the Herschel Space Observatory and ...
Apr 04, 2012 |
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Future NASA mission to sun 'a life's dream' for some
The chest-high rack of electronics Justin Kasper is assembling in a Massachusetts office park will fit in a shoe box before he's done.
Space & Earth / Space Exploration
Mar 16, 2012 |
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Cosmic magnetic fields
The mention of cosmic-scale magnetic fields is still likely to met with an uncomfortable silence in some astronomical circles – and after a bit of foot-shuffling and throat-clearing, the discussion will ...
May 02, 2011 |
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Legal challenges could hold back cloud computing
Want to store your digital songs, movies, TV shows, books and video games on a computer or mobile device? No problem. The real trick these days is pushing all that content onto the Internet so it can follow you from device ...
Apr 28, 2011 |
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Astronomers peer into the dark
(PhysOrg.com) -- Astronomers from the Scottish Universities Physics Alliance (SUPA) have produced a completely new catalogue of ~15,000 groups of galaxies that gives a new insight into dark matter, the material ...
Apr 21, 2011 |
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Dark matter does not act as growth factor
(PhysOrg.com) -- Massive black holes have been found at the centers of almost all galaxies, where the largest galaxies – which are also the ones embedded in the largest halos of Dark Matter – harbor ...
Jan 26, 2011 |
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Forget Planet X! New technique could pinpoint Galaxy X
(PhysOrg.com) -- Planet X, an often-sought 10th planet, is so far a no-show, but Sukanya Chakrabarti has high hopes for finding what might be called Galaxy X – a dwarf galaxy that she predicts orbits ...
Jan 13, 2011 |
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Astronomers use moon in effort to corral elusive cosmic particles
(PhysOrg.com) -- Seeking to detect mysterious, ultra-high-energy neutrinos from distant regions of space, a team of astronomers used the Moon as part of an innovative telescope system for the search. Their ...
Nov 30, 2010 |
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Astronomy without a telescope - black hole evolution
While only observable by inference, the existence of supermassive black holes (SMBHs) at the centre of most – if not all – galaxies remains a compelling theory supported by a range of indirect observational ...
Nov 29, 2010 |
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Astronomers Discover Clue to Origin of Milky Way Gas Clouds
A surprising discovery that hydrogen gas clouds found in abundance in and above our Milky Way Galaxy have preferred locations has given astronomers a key clue about the origin of such clouds, which play an ...
May 26, 2010 |
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List of search results for radio halos
