News tagged with optical telescopes

The anatomy of a stellar outflow

(Phys.org) -- Astronomers used to think that star formation simply involved the gradual coalescence of material under the influence of gravity. No longer. Making a new star is a complex process, among other ...

dateMay 28, 2012 in Astronomy
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A supernova cocoon breakthrough

(Phys.org) -- 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 ...

dateMay 15, 2012 in Astronomy
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Neutrinos put cosmic ray theory on ice

(Phys.org) -- A telescope buried beneath the South Pole has failed to find any neutrinos accompanying exploding fireballs in space, undermining a leading theory of how cosmic rays are born.

dateApr 20, 2012 in Astronomy
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Astronomers detect coolest radio star

(Phys.org) -- Astronomers using the world's largest radio telescope, at Arecibo, Puerto Rico, have discovered flaring radio emission from an ultra-cool star, not much warmer than the planet Jupiter, shattering the previous ...

dateApr 18, 2012 in Astronomy
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Launch of NASA's nuSTAR mission postponed

(PhysOrg.com) -- The planned launch of NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) mission has been postponed after a March 15 launch status meeting. The launch will be rescheduled to allow additional ...

dateMar 19, 2012 in Space Exploration
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