Some of the most massive and distant black holes in the universe emit an enormous amount of extraordinarily energetic radiation called gamma rays. This type of radiation occurs, for example, when mass is converted into energy ...
Astronomy
Jul 2, 2020
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Nearby galaxies undergoing a furious pace of star formation also emit lots of gamma rays, say astronomers using NASA's Fermi Gamma-ray Space Telescope. Two so-called "starburst" galaxies, plus a satellite of our own Milky ...
Astronomy
Nov 2, 2009
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Scientists are using a one cubic kilometer block of ice at the South Pole to help unravel one of the great scientific mysteries of our time.
General Physics
Dec 19, 2013
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Imagine you had superhero vision and could see a whole new world of fascinating phenomena invisible to the human eye. NASA's Fermi Gamma-ray Space Telescope gives astrophysicists analogous powers. It captures images of the ...
Astronomy
May 11, 2017
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A team of astrophysicists has solved a mystery that led some scientists to speculate that the distribution of certain gamma rays in our Milky Way galaxy was evidence of a form of undetectable "dark matter" believed to make ...
Astronomy
Jul 9, 2009
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MAGIC telescopes measure the highest-energy gamma rays from a pulsar to date, calling theory into question.
Astronomy
Mar 29, 2012
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Instruments scanning outer space for cataclysmic explosions called gamma-ray bursts are detecting intense flashes of gamma-ray energy right here in the friendly skies of Earth. These terrestrial gamma-ray flashes, or TGFs, ...
Earth Sciences
Feb 11, 2010
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Beginning Sunday, September 18, 2011 at NASA's launch facility in Fort Sumner, New Mexico, space scientists from the University of New Hampshire will attempt to send a balloon up to 130,000 feet with a one-ton instrument ...
Space Exploration
Sep 16, 2011
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Major improvements to methods used to process observations from NASA's Fermi Gamma-ray Space Telescope have yielded an expanded, higher-quality set of data that allows astronomers to produce the most detailed census of the ...
Astronomy
Jan 7, 2016
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(PhysOrg.com) -- Scientists at the Naval Research Laboratory Space Science Division and a team of international researchers have positively identified cosmic sources of gamma-ray emissions through the discovery of 16 pulsating ...
Astronomy
Sep 22, 2009
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