(PhysOrg.com) -- University of Notre Dame astronomer Peter Garnavich and a team of collaborators have discovered a distant star that exploded when its center became so hot that matter and anti-matter particle pairs were created. ...
Astronomy
Jan 4, 2010
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The precise conditions inside a white dwarf star in the hours leading up to its explosive end as a Type Ia supernova are one of the mysteries confronting astrophysicists studying these massive stellar explosions. But now, ...
Astronomy
Sep 22, 2009
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Type I X-ray bursts are the most frequent types of thermonuclear stellar explosions in the galaxy. As the key nucleosynthesis process in X-ray bursts, the rapid proton capture process (rp-process) is always the important ...
Astronomy
Jul 24, 2023
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The U.S. Department of Energy on Tuesday announced that a national lab in California made a "major scientific breakthrough"—namely, that it produced a nuclear fusion reaction that resulted in a net energy gain, a condition ...
Plasma Physics
Dec 14, 2022
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North Korea withdrew from the Treaty on the Non-Proliferation of Nuclear Weapons in 2003. It subsequently developed nuclear weapons, with five underground nuclear tests culminating in a suspected thermonuclear explosion (a ...
Earth Sciences
Nov 14, 2019
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Neutron stars are made out of cold, ultra-dense matter. How this matter behaves is one of the biggest mysteries in modern nuclear physics. Researchers have developed a new method for measuring the radius of neutron stars ...
Astronomy
Nov 27, 2017
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On September 20, a particular spot in the constellation Lupus the Wolf was blank of any stars brighter than 17.5 magnitude. Four nights later, as if by some magic trick, a star bright enough to be seen in binoculars popped ...
Astronomy
Sep 26, 2016
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The research group from the University of Tokyo and Keio University discovered that a Type Ia supernova occurs after its companion star evolves into a faint helium white dwarf in many cases, given the fact that the white ...
Astronomy
Sep 4, 2012
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