News tagged with telescope model
Durham astronomers' doubts about the 'dark side'
(PhysOrg.com) -- New research by astronomers in the Physics Department at Durham University suggests that the conventional wisdom about the content of the Universe may be wrong. Graduate student Utane Sawangwit ...
Jun 14, 2010 |
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Astronomers use galactic magnifying lens to probe elusive dark energy
A team of astronomers has used a massive galaxy cluster as a cosmic magnifying lens to study the nature of dark energy for the first time. When combined with existing techniques, their results significantly ...
Aug 19, 2010 |
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The most massive distant object known
(PhysOrg.com) -- Galaxies often occur in groups. Our own Milky Way galaxy, for example, and its local neighborhood with about fifty galaxies are at the edge of the Virgo Cluster, a collection of somewhere ...
Apr 11, 2011 |
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Tests under way on the sunshield for Webb telescope
NASA is testing an element of the sunshield that will protect the James Webb Space Telescope's mirrors and instruments during its mission to observe the most distant objects in the universe.
Space & Earth / Space Exploration
Sep 19, 2011 |
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Biography of a star
Nuclear fusion is a virtually inexhaustible source of energy, and for decades now scientists have been working on exploiting it. A process that continues to present difficulties in laboratories on Earth has ...
Nov 03, 2011 |
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Precise picture of early Universe supports 'dark matter' theory
A detailed picture of the seeds of structures in the universe has been unveiled by an international team co-led by a Cardiff University scientist.
Nov 02, 2009 |
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Astronomy without a telescope: The unlikeliness of being
History has proved time and again that mathematical modelling is no substitute for a telescope (or other data collection device). Nonetheless, some theoreticians have recently put forward a statistical analysis ...
Aug 01, 2011 |
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Probing the origins of extreme neutron stars
(PhysOrg.com) -- Neutron stars are the unimaginably dense corpses of what were once much more massive stars that died while being ripped apart in a supernova explosion. Their average density is typically more than one billion ...
May 31, 2011 |
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QUIET team to deploy new gravity-wave probe in June
A tiny fraction of a second following the big bang, the universe allegedly experienced the most inflationary period it has ever known.
May 15, 2009 |
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James Webb space telescope ISIM on 'spin cycle'
Prior to taking a new telescope into space, engineers must put the spacecraft and its instruments through a "spin cycle" test for durability to ensure they'll still work after experiencing the forces of a ...
Space & Earth / Space Exploration
May 30, 2011 |
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Elliptical galaxies much younger than previously thought?
(PhysOrg.com) -- The standard model for elliptical galaxies formation is challenged by a new result uncovered by an international team of astronomers from the Atlas3D collaboration. Team members from CNRS, ...
Jul 21, 2011 |
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Prof explores universe through gravity lens studies
(Phys.org) -- The National Science Foundation recently awarded Dr. Mustapha Ishak-Boushaki, associate professor of physics at UT Dallas, a $222,000 research grant for his investigations of the gravitational lensing technique ...
Apr 30, 2012 |
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RXTE Homes in on a Black Hole's Jets
(PhysOrg.com) -- For decades, X-ray astronomers have studied the complex behavior of binary systems pairing a normal star with a black hole. In these systems, gas from the normal star streams toward the black ...
Jul 01, 2010 |
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Spiral arms hint at the presence of planets
A new image of the disk of gas and dust around a sun-like star has spiral-arm-like structures. These features may provide clues to the presence of embedded but as-yet-unseen planets.
Oct 19, 2011 |
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A new way to visualize Earth
As the state geologist for Arizona, Lee Allison knows granite from sandstone, a syncline from an anticline. But he has lacked the ability to look through rocks to visualize the inner workings of the Earth.
Space & Earth / Earth Sciences
Feb 17, 2012 |
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