News tagged with pulsar
Related topics: space telescope , radio telescopes , massive stars , gamma rays , neutron stars
Radio pulses from pulsar appear to move faster than light
(PhysOrg.com) -- Laboratory experiments in the last few decades have shown that some things can appear to move faster than light without contradicting Einstein's special theory of relativity, but now astrophysicists ...
Jan 14, 2010 |
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Astronomers get new tools for gravitational-wave detection
Teamwork between gamma-ray and radio astronomers has produced a breakthrough in finding natural cosmic tools needed to make the first direct detections of the long-elusive gravitational waves predicted by Albert Einstein ...
Jan 05, 2010 |
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Fermi large area telescope points the way to new millisecond pulsars
The discovery of seventeen new millisecond pulsars was announced today at the American Astronomical Society Meeting by scientists from the Naval Research Laboratory (NRL) Space Science Division and a team ...
Jan 05, 2010 |
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Fermi sees brightest-ever blazar flare
(PhysOrg.com) -- A galaxy located billions of light-years away is commanding the attention of NASA's Fermi Gamma-ray Space Telescope and astronomers around the globe. Thanks to a series of flares that began ...
Dec 09, 2009 |
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Carbon Atmosphere Discovered on Neutron Star
(PhysOrg.com) -- Evidence for a thin veil of carbon has been found on the neutron star in the Cassiopeia A supernova remnant. This discovery, made with NASA's Chandra X-ray Observatory, resolves a ten-year ...
Nov 04, 2009 |
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Fermi Large Area Telescope reveals pulsing gamma-ray sources
Scientists at the Naval Research Laboratory (NRL) Space Science Division and a team of international researchers have positively identified cosmic sources of gamma-ray emissions through the discovery of 16 ...
Sep 09, 2009 |
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Fermi Telescope reveals a population of radio-quiet gamma-ray pulsars
(PhysOrg.com) -- A new class of pulsars detected by NASA's Fermi Gamma-ray Space Telescope is solving the mystery of previously unidentified gamma-ray sources and helping scientists understand the mechanisms ...
Jul 02, 2009 |
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New technique improves estimates of pulsar ages
Astronomers at the University of California, Santa Cruz, have developed a new technique to determine the ages of millisecond pulsars, the fastest-spinning stars in the universe.
Jun 09, 2009 |
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The cosmos is green: Researchers catch nature in the act of 'recycling' a star (w/Animations)
(PhysOrg.com) -- For the first time, researchers have observed a singular cosmic act of rebirth: the transformation of an ordinary, slow-rotating pulsar into a superfast millisecond pulsar with an almost infinitely ...
May 21, 2009 |
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Geriatric pulsar still kicking
(PhysOrg.com) -- The oldest isolated pulsar ever detected in X-rays has been found with NASA's Chandra X-ray Observatory. This very old and exotic object turns out to be surprisingly active.
Feb 26, 2009 |
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Fermi telescope unveils a dozen new pulsars
(PhysOrg.com) -- NASA's Fermi Gamma-ray Space Telescope has discovered 12 new gamma-ray-only pulsars and has detected gamma-ray pulses from 18 others. The finds are transforming our understanding of how these ...
Jan 06, 2009 |
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