(PhysOrg.com) -- Every three hours, NASA's Fermi Gamma-ray Space Telescope scans the entire sky and deepens its portrait of the high-energy universe. Every year, the satellite's scientists reanalyze all of the data it has ...
Astronomy
Sep 9, 2011
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(PhysOrg.com) -- The combined data from several NASA satellites has astonished astronomers by revealing unexpected changes in X-ray emission from the Crab Nebula, once thought to be the steadiest high-energy source in the ...
Astronomy
Jan 13, 2011
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0
On April 23, NASA's Swift satellite detected the strongest, hottest, and longest-lasting sequence of stellar flares ever seen from a nearby red dwarf star. The initial blast from this record-setting series of explosions was ...
Space Exploration
Sep 30, 2014
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What if spacetime were a kind of fluid? This is the question tackled by theoretical physicists working on quantum gravity by creating models attempting to reconcile gravity and quantum mechanics. Some of these models predict ...
Quantum Physics
Apr 23, 2014
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(Phys.org) —NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, is giving the wider astronomical community a first look at its unique X-ray images of the cosmos. The first batch of data from the black-hole hunting ...
Astronomy
Sep 3, 2013
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0
NASA launched a prototype telescope and instrument to observe the X-rays emitted by Cassiopeia A, the expanding debris of an exploded star. The High-Resolution Microcalorimeter X-ray Imaging Rocket (Micro-X) launched July ...
Space Exploration
Jul 24, 2018
0
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NASA's decommissioned Rossi X-ray Timing Explorer (RXTE) satellite re-entered Earth's atmosphere on April 30. Orbiting for more than 22 years, the 6,700-pound satellite operated from 1996 to 2012, providing scientists with ...
Astronomy
May 4, 2018
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Neutron stars are amongst the most exotic astrophysical objects in the Universe. Born from the supernova explosion of massive stars, neutron stars are so densely compacted by their own gravity that a sphere just 20 kilometers ...
Astronomy
Jun 20, 2014
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To say that Alice Harding, an astrophysicist at NASA's Goddard Space Flight Center in Greenbelt, Md., has a passion for pulsars is a bit of an understatement. On Jan. 24, she was named a winner of the 2013 Bruno Rossi prize ...
Astronomy
Feb 4, 2013
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