News tagged with telescope model
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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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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Giant Webb space telescope model to 'Land' in Baltimore
(PhysOrg.com) -- Baltimore's Maryland Science Center is going to be the "landing site" for the full-scale model of NASA's James Webb Space Telescope, and it's free for all to see.
Space & Earth / Space Exploration
Oct 13, 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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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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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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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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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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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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Scientists use light signatures to track merging supermassive black holes
Scientists pursuing supermassive black holes suspect that these giants merge somewhere in the universe roughly once a year, but they don't know how to find them. They think the evidence is hidden in the powerful gravitational ...
Nov 08, 2010 |
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What will Webb see? Supercomputer models yield sneak previews
As scientists and engineers work to make NASA's James Webb Space Telescope a reality, they find themselves wondering what new sights the largest space-based observatory ever constructed will reveal. With Webb, astronomers ...
Nov 03, 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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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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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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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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