News tagged with dense gas

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A supernova cocoon breakthrough

( -- Observations with NASA's Chandra X-ray Observatory have provided the first X-ray evidence of a supernova shock wave breaking through a cocoon of gas surrounding the star that exploded. This discovery may help ...

dateMay 15, 2012 in Astronomy
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APEX turns its eye to dark clouds in Taurus

( -- A new image from the APEX (Atacama Pathfinder Experiment) telescope in Chile shows a sinuous filament of cosmic dust more than ten light-years long. In it, newborn stars are hidden, and dense clouds of gas ...

dateFeb 15, 2012 in Astronomy
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Stellar embryos

( -- Stars form as gravity coalesces the gas and dust in interstellar clouds until the material produces clumps dense enough to become stars. But precisely how this happens, and whether or not the processes are ...

dateJan 23, 2012 in Astronomy
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A universal law for star formation

( -- Star formation is studied by astronomers not only because it produces new stars and planetary systems. It also generates copious amounts of ultraviolet light that heats dust which in turn causes the birth ...

dateJan 09, 2012 in Astronomy
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Hot cores in dark clouds

( -- The earliest stages in the life of a star are among the most mysterious. This is primarily because stars form inside dark clouds of material that block optical light, and because they form relatively quickly, ...

dateDec 06, 2011 in Astronomy
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Twisted tale of our galaxy's ring

( -- New observations from the Herschel Space Observatory show a bizarre, twisted ring of dense gas at the center of our Milky Way galaxy. Only a few portions of the ring, which stretches across more than 600 ...

dateJul 20, 2011 in Astronomy
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'Dead' galaxies are not so dead after all

( -- University of Michigan astronomers examined old galaxies and were surprised to discover that they are still making new stars. The results provide insights into how galaxies evolve with time.

dateMay 30, 2011 in Astronomy
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'Elephant trunks' in space

( -- NASA's Wide-field Infrared Survey Explorer, or WISE, captured this image of a star-forming cloud of dust and gas, called Sh2-284, located in the constellation of Monoceros. Lining up along the edges of a ...

dateMar 07, 2011 in Astronomy
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