News tagged with gamma rays

Swift, Chandra explore a youthful 'star wreck'

(Phys.org) —While performing an extensive X-ray survey of our galaxy's central regions, NASA's Swift satellite has uncovered the previously unknown remains of a shattered star. Designated G306.3.9 after ...

Mar 15, 2013
4.4 / 5 (14) 0 | with audio podcast

Fermi's motion produces a study in spirograph

(Phys.org)—NASA's Fermi Gamma-ray Space Telescope orbits our planet every 95 minutes, building up increasingly deeper views of the universe with every circuit. Its wide-eyed Large Area Telescope (LAT) sweeps ...

Feb 27, 2013
4.3 / 5 (3) 1 | with audio podcast

Astronomers measure nearby Universe's 'cosmic fog'

Researchers from the Laboratoire Leprince-Ringuet (CNRS/École Polytechnique) have carried out the first measurement of the intensity of the diffuse extragalactic background light in the nearby Universe, ...

Jan 20, 2013
4.7 / 5 (14) 2 | with audio podcast

Neon lights up exploding stars

(Phys.org)—An international team of nuclear astrophysicists has shed new light on the explosive stellar events known as novae.

Jan 15, 2013
5 / 5 (5) 0 | with audio podcast

Spacetime: A smoother brew than we knew

Spacetime may be less like foamy quantum beer and more like smooth Einsteinian whiskey, according to research led by physicist Robert Nemiroff of Michigan Technological University being presented today at the 221st American ...

Jan 09, 2013
4.4 / 5 (10) 7