Still in the dark about dark matter
Dark matter, the mysterious stuff thought to make up about 80 percent of matter in the universe, has become even more inscrutable.
General Physics
Dec 6, 2011
67
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News tagged with astrophysicists
Related topics:
stars
· dark matter
How black holes grow: New study indicates they eat binary star partners
A study led by a University of Utah astrophysicist found a new explanation for the growth of supermassive black holes in the center of most galaxies: they repeatedly capture and swallow single stars from pairs of stars that ...
Astronomy
Apr 2, 2012
4
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Fermi observatory makes first gamma-ray study of a gravitational lens
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
7
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Fermi telescope spots 'superflares' in the Crab Nebula (w/ video)
(PhysOrg.com) -- The famous Crab Nebula supernova remnant has erupted in an enormous flare five times more powerful than any flare previously seen from the object. On April 12, NASA's Fermi Gamma-ray Space Telescope first ...
Astronomy
May 12, 2011
17
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Gravitational tide the secret of Saturn's weird moon
Enceladus, a white moon of Saturn with ice-spewing volcanoes, owes its strangeness to tides of gravitational forces exerted by its mother, a study in Nature said on Wednesday.
Space Exploration
Jul 31, 2013
13
1
For India, 'God particle' is as much boson as Higgs
The release Wednesday of dramatic new data pointing to the existence of the Higgs boson "God particle" sent a special flutter of pride, mixed with frustration, through India's scientific community.
General Physics
Jul 4, 2012
3
0
Observations reveal critical interplay of interstellar dust, hydrogen
(Phys.org) —For astrophysicists, the interplay of hydrogen—the most common molecule in the universe—and the vast clouds of dust that fill the voids of interstellar space has been an intractable puzzle of stellar evolution.
Astronomy
Sep 26, 2013
28
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New insights on how spiral galaxies get their arms
(Phys.org) —Spiral galaxies are some of the most beautiful and photogenic residents of the universe. Our own Milky Way is a spiral. Our solar system and Earth reside somewhere near one of its filamentous arms. And nearly ...
Astronomy
Apr 2, 2013
52
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New data from PAMELA provides better measure of positrons
(Phys.org) —A large team made up of researchers from several European countries (Italy, Russia, Sweden and Germany) has published, in the journal Physical Review Letters, the latest findings from the Payload for Antimatter/Matter ...
Researchers find absorption features in spectrum of ordinary pulsar
(Phys.org)—An international team of astronomers and astrophysicists has found some unusual spectral activity involving an otherwise "normal" pulsar; it displayed some absorption lines, which generally only occurs with bodies ...
