News tagged with galaxy structure
A pinwheel in many colors
(Phys.org) -- This image of the Pinwheel Galaxy, or also known as M101, combines data in the infrared, visible, ultraviolet and X-rays from four of NASA's space-based telescopes. This multi-spectral view shows ...
May 25, 2012 |
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Herschel reveals galaxy-packed filament
(Phys.org) -- A McGill-led research team using the Herschel Space Observatory has discovered a giant, galaxy-packed filament ablaze with billions of new stars. The filament connects two clusters of galaxies ...
May 17, 2012 |
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When dark energy turned on (Update)
(PhysOrg.com) -- Some six billion light years distant, almost halfway from now back to the big bang, the universe was undergoing an elemental change. Held back until then by the mutual gravitational attraction ...
Mar 30, 2012 |
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Astronomers map dark matter distribution in 3D in Abell 383 galaxy cluster
(PhysOrg.com) -- Two teams of astronomers have used data from NASA's Chandra X-ray Observatory and other telescopes to map the distribution of dark matter in a galaxy cluster known as Abell 383, which is located ...
Mar 14, 2012 |
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Planck mission steps closer to the cosmic blueprint
(PhysOrg.com) -- ESA's Planck mission has revealed that our Galaxy contains previously undiscovered islands of cold gas and a mysterious haze of microwaves. These results give scientists new treasure to mine ...
Feb 13, 2012 |
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A galaxy cluster gets sloshed
(PhysOrg.com) -- Like wine in a glass, vast clouds of hot gas are sloshing back and forth in Abell 2052, a galaxy cluster located about 480 million light years from Earth. X-ray data (blue) from NASA's Chandra ...
Dec 14, 2011 |
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Gaseous halos of galaxies are much larger, more massive than the distribution of stars within the galaxy
New, high-precision equipment orbiting Earth aboard the Hubble Space Telescope is now sending such rich data back to astronomers, some feel they are crossing the final frontier toward understanding galaxy ...
Nov 17, 2011 |
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Testing the spiral density wave theory
Spiral galaxies are one of the most captivating structures in astronomy, yet their nature is still not fully understood. Astronomers currently have two categories of theories that can explain this structure, ...
May 30, 2011 |
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The two-faced whirlpool galaxy
(PhysOrg.com) -- These images by NASA's Hubble Space Telescope show off two dramatically different face-on views of the spiral galaxy M51, dubbed the Whirlpool Galaxy.
Jan 14, 2011 |
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First super-massive black holes were born 'soon' after Big Bang (w/ Video)
Astronomers believe they have discovered the origin of our universe's first super-massive black holes, which formed some 13 billion years ago.
Aug 25, 2010 |
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Radio astronomers develop new technique for studying dark energy
Pioneering observations with the National Science Foundation's giant Robert C. Byrd Green Bank Telescope (GBT) have given astronomers a new tool for mapping large cosmic structures. The new tool promises to ...
Jul 21, 2010 |
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Weak Lensing Gains Strength
(PhysOrg.com) -- Berkeley Lab cosmologists were part of an international team that has extended the relationship between the x-ray luminosity and the mass of galaxy clusters as measured by gravitational lensing, ...
Jan 19, 2010 |
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Shedding Light on the Cosmic Skeleton
(PhysOrg.com) -- Astronomers have tracked down a gigantic, previously unknown assembly of galaxies located almost seven billion light-years away from us. The discovery, made possible by combining two of the ...
Nov 03, 2009 |
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New Vista of Milky Way Center Unveiled
(PhysOrg.com) -- A dramatic new vista of the center of the Milky Way galaxy from NASA's Chandra X-ray Observatory exposes new levels of the complexity and intrigue in the Galactic center. The mosaic of ...
Sep 22, 2009 |
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Herschel Opens Its Infrared Eyes
(PhysOrg.com) -- The Herschel Space Observatory has snapped its first picture since blasting into space on May 14, 2009. The mission, led by the European Space Agency with important participation from NASA, ...
Jun 29, 2009 |
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