A University of Arkansas researcher is part of a team of astronomers who have identified an outburst of X-ray emission from a galaxy approximately 6.5 billion light years away, which is consistent with the merger of two neutron ...
Astronomy
Apr 11, 2019
8
1074
The National Science Foundation's LIGO (Laser Interferometer Gravitational-Wave Observatory) is set to resume its hunt for gravitational waves—ripples in space and time—on April 1, after receiving a series of upgrades ...
Astronomy
Mar 28, 2019
6
32
Since the historic finding of gravitational waves from two black holes colliding over a billion light years away was made in 2015, physicists are advancing knowledge about the limits on the precision of the measurements that ...
General Physics
Mar 25, 2019
3
6060
One of the most cataclysmic events to occur in the cosmos involves the collision of two black holes. Formed from the deathly collapse of massive stars, black holes are incredibly compact—a person standing near a stellar-mass ...
General Physics
Jan 24, 2019
6
2148
Late in 2018, the gravitational wave observatory, LIGO, announced that they had detected the most distant and massive source of ripples of spacetime ever monitored: waves triggered by pairs of black holes colliding in deep ...
Astronomy
Dec 28, 2018
11
149
In 2016, an international team of scientists found definitive evidence—tiny ripples in space known as gravitational waves—to support one of the last remaining untested predictions of Einstein's theory of general relativity. ...
Astronomy
Dec 6, 2018
4
126
In 2017, NASA's Fermi Gamma-ray Space Telescope played a pivotal role in two important breakthroughs occurring just five weeks apart. But what might seem like extraordinary good luck is really the product of research, analysis, ...
Astronomy
Nov 9, 2018
0
12
Last year, the first detection of gravitational waves linked to a gamma-ray burst triggered a vast follow-up campaign with ground and space telescopes to study the aftermath of the neutron star merger that gave rise to the ...
Astronomy
Jun 1, 2018
2
40
The afterglow from the distant neutron-star merger detected last August has continued to brighten - much to the surprise of astrophysicists studying the aftermath of the massive collision that took place about 138 million ...
Astronomy
Jan 18, 2018
24
486
Astronomers at W. M. Keck Observatory have successfully met a major milestone after capturing the very first science data from Keck Observatory's newest instrument, the Caltech-built Near-Infrared Echellette Spectrometer ...
Astronomy
Jan 8, 2018
0
15
