In December 2016, what appears on digital telescopic images to be a star among stars became around 250 times brighter than usual.
Astronomy
Dec 19, 2017
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NASA's Fermi Gamma-ray Space Telescope has identified the farthest gamma-ray blazars, a type of galaxy whose intense emissions are powered by supersized black holes. Light from the most distant object began its journey to ...
Astronomy
Jan 30, 2017
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What is the brightest object in the night sky?
Astronomy
Feb 3, 2016
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50
In 2011, Francesco Massaro, a researcher at the University of Turin (Italy), and Raffaele D'Abrusco, a post-doc in the astrophysics group at the University Federico II of Naples (Italy), using all-sky data produced by the ...
Astronomy
Feb 2, 2016
0
51
(Phys.org) —Astronomers studying two classes of black-hole-powered galaxies monitored by NASA's Fermi Gamma-ray Space Telescope have found evidence that they represent different sides of the same cosmic coin. By unraveling ...
Astronomy
Jun 3, 2014
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0
An international team of astronomers, using NASA's Fermi observatory, has made the first-ever gamma-ray measurements of a gravitational lens, a kind of natural telescope formed when a rare cosmic alignment allows the gravity ...
Astronomy
Jan 6, 2014
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(Phys.org)—Astronomers using data from NASA's Fermi Gamma-ray Space Telescope have made the most accurate measurement of starlight in the universe and used it to establish the total amount of light from all of the stars ...
Astronomy
Nov 1, 2012
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0
A blazar is a galaxy with an intensely bright central nucleus containing a supermassive black hole, much like a quasar. The difference is that a blazar can emit light with extremely high energy gamma rays that are sometimes ...
Astronomy
Oct 29, 2012
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(Phys.org) -- So far, astrophysicists thought that super-massive black holes can only influence their immediate surroundings. A collaboration of scientists at the Heidelberg Institute for Theoretical Studies (HITS) and in ...
Astronomy
May 15, 2012
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NASA's Fermi team recently released the second catalog of gamma-ray sources detected by their satellite's Large Area Telescope (LAT). Of the 1873 sources found, nearly 600 are complete mysteries. No one knows what they are.
Astronomy
Oct 19, 2011
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