An ultradense ("hypermassive") neutron star is formed when two neutron stars in a binary system finally merge. Its short life ends with the catastrophic collapse to a black hole, possibly powering a short gamma-ray burst, ...
Astronomy
Jul 26, 2013
27
0
Many, perhaps most, stars in the Universe live their lives with companions by their sides – in so-called binary systems. Until recently, however, the ancient RR Lyrae stars appeared, for mysterious reasons, to live their ...
Astronomy
Apr 1, 2015
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1447
A new study published in The Astrophysical Journal reveals new evidence for standard gravity breaking down in an idiosyncratic manner at low acceleration. This new study reinforces the evidence for modified gravity that was ...
Astronomy
Jan 9, 2024
0
346
The coalescence of two black holes—a very violent and exotic event—is one of the most sought-after observations of modern astronomy. But, as these mergers emit no light of any kind, finding such elusive events has been ...
Astronomy
Jul 29, 2015
32
206
A group of astronomers led by Javier Lorenzo of the University of Alicante, Spain, has discovered that the binary star system HD 64315 is more complex than previously thought. The new study reveals that HD 64315 contains ...
Two massive touching stars in a neighboring galaxy are on course to become black holes that will eventually crash together, generating waves in the fabric of space-time, according to a new study by researchers at UCL (University ...
Astronomy
Apr 27, 2023
1
226
Scientists using the MeerKAT radio telescope have discovered a unique and previously-unseen flare of radio emission from a binary star in our galaxy.
Astronomy
Nov 20, 2019
0
233
NASA's Kepler mission has found the first multi-planet solar system orbiting a binary star, characterized in large part by University of Texas at Austin astronomers using two telescopes at the university's McDonald Observatory ...
Astronomy
Aug 28, 2012
15
0
A rare exoplanet which orbits around two stars at once has been detected using a ground-based telescope by a team led by the University of Birmingham.
Astronomy
Feb 23, 2022
0
260
Clouds of ultralight particles can form around rotating black holes. A team of physicists from the University of Amsterdam and Harvard University now show that these clouds would leave a characteristic imprint on the gravitational ...
Astronomy
Jun 7, 2022
1
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