An international team of researchers has found that neon inside a certain massive star can consume the electrons in the core, a process called electron capture, which causes the star to collapse into a neutron star and produce ...
Astronomy
Mar 31, 2020
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2125
a kind of stellar fossils in the outer reaches of our galaxy, contain abnormally large amounts of heavy elements like gold, platinum and uranium. Where these large amounts came from has been a mystery for researchers, since ...
Astronomy
Nov 15, 2011
3
0
(PhysOrg.com) -- Using a combination of instruments on ESO's Very Large Telescope, astronomers have discovered the most massive stars to date, one weighing at birth more than 300 times the mass of the sun, or twice as much ...
Astronomy
Jul 21, 2010
9
0
Scientists from the ARC Centre of Excellence for Gravitational Wave Discovery (OzGrav) have described a way to determine the birth population of double neutron stars—some of the densest objects in the universe formed in ...
Astronomy
Apr 26, 2021
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1667
A renegade star exploding in a distant galaxy has forced astronomers to set aside decades of research and focus on a new breed of supernova that can utterly annihilate its parent star—leaving no remnant behind. The signature ...
Astronomy
Aug 15, 2019
8
1990
(Phys.org) —An international team of astronomers has observed part of the final death throes of the largest known star in the universe as it throws off its outer layers. The discovery, by a collaboration of scientists from ...
Astronomy
Oct 16, 2013
58
0
When the most massive stars die, they collapse under their own gravity and leave behind black holes; when stars that are a bit less massive die, they explode in a supernova and leave behind dense, dead remnants of stars called ...
Astronomy
Jun 23, 2020
20
1390
After years of dedicated research and over 5 million supercomputer computing hours, a team has created the world's first high-resolution 3D radiation hydrodynamics simulations for exotic supernovae. This work is reported ...
Astronomy
Sep 15, 2023
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2644
Nestled within this field of bright foreground stars lies ESO 495-21, a tiny galaxy with a big heart. ESO 495-21 may be just 3000 light-years across, but that is not stopping the galaxy from furiously forming huge numbers ...
Astronomy
Jun 13, 2019
5
689
An international team of astronomers from Japan, Mexico and the University of Massachusetts Amherst studying a "monster galaxy" 12.4 billion light years away today report that their instruments have achieved a 10 times higher ...
Astronomy
Aug 29, 2018
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