News tagged with format
A magnified supernova
Supernovae are among astronomers most important tools for exploring the history of the universe. Their frequency allows us to examine how active star formation was, how heavy elements have developed, and the ...
Sep 27, 2011 |
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Gene may be good target for tough-to-kill prostate cancer cells
Purdue University scientists believe they have found an effective target for killing late-stage, metastatic prostate cancer cells.
Sep 27, 2011 |
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Star formation laws
Take a cloud of molecular hydrogen add some turbulence and you get star formation – that’s the law. The efficiency of star formation (how big and how populous they get) is largely a function of the ...
Sep 26, 2011 |
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An angry bird in the sky
(PhysOrg.com) -- A new image from the Wide Field Imager on the MPG/ESO 2.2-metre telescope reveals the Lambda Centauri Nebula, a cloud of glowing hydrogen and newborn stars in the constellation of Centaurus ...
Sep 21, 2011 |
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Vacuum-like device makes cellular exploration easier
It's a bit of a challenge. But, imagine a microscopic jet vacuum cleaner, the size of a pen nib that hovers over cell surfaces without ever touching them. Then imagine that the soap in the cleaning solution ...
Sep 20, 2011 |
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Japanese scientists say giant plumes will prevent new Pangaea
(PhysOrg.com) -- For much of Earth's history, the continents have shifted around, sometimes joining with others, sometimes tearing apart to form new continents. One such shift resulted in what Earth scientists ...
Space & Earth / Earth Sciences
Sep 20, 2011 |
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Help! My stars are leaking!
Star clusters are wonderful test beds for theories of stellar formation and evolution. One of the key roles they play is to help astronomers understand the distribution of stellar masses as stars form (in ...
Sep 16, 2011 |
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Rocky planets could have been born as gas giants
When NASA announced the discovery of over 1,200 new potential planets spotted by the Kepler Space Telescope, almost a quarter of them were thought to be Super-Earths. Now, new research suggests that these ...
Sep 16, 2011 |
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Dark matter packs a punch: Milky Way's spiral arms formed by intergalactic collision
The signature spiral arms of the Milky Way galaxy were likely formed by an epic collision between the Milky Way and the Sagittarius Dwarf galaxy, according to a University of Pittsburgh researcher and his ...
Sep 14, 2011 |
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Herschel paints new story of galaxy evolution
(PhysOrg.com) -- ESA's Herschel infrared space observatory has discovered that galaxies do not need to collide with each other to drive vigorous star birth. The finding overturns this long-held assumption ...
Sep 13, 2011 |
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Dark clouds in space
(PhysOrg.com) -- Infrared dark clouds (IRDCs) are dark patches in the sky seen against the continuous, bright infrared background produced by our galaxy. IRDCs are rich in molecules and relatively dense, cool ...
Sep 13, 2011 |
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Earth from space: Sacred stones of the outback
(PhysOrg.com) -- This Landsat image takes us to the Amadeus Basin in the heart of the Australian outback.
Space & Earth / Earth Sciences
Sep 09, 2011 |
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Chandra finds nearest pair of supermassive black holes
(PhysOrg.com) -- Astronomers have used NASA's Chandra X-ray Observatory to discover the first pair of supermassive black holes in a spiral galaxy similar to the Milky Way. At a distance of 160 million light ...
Aug 31, 2011 |
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New discovery sheds light on the ecosystem of young galaxies
(PhysOrg.com) -- A team of scientists, led by Michael Rauch from the Carnegie Observatories, has discovered a distant galaxy that may help elucidate two fundamental questions of galaxy formation: How galaxies ...
Aug 29, 2011 |
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Astrophysicists report first simulation to create a Milky Way-like galaxy
(PhysOrg.com) -- After nine months of number-crunching on a powerful supercomputer, a beautiful spiral galaxy matching our own Milky Way emerged from a computer simulation of the physics involved in galaxy ...
Aug 29, 2011 |
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