(Phys.org) —Physicists Lawrence Krauss and Frank Wilczek of Arizona State University and Australian National University, respectively, have uploaded a paper to the preprint server arXiv, in which they propose that it might ...
Astrophysicists are casting doubt on what just recently was deemed a breakthrough in confirming how the universe was born: the observation of gravitational waves that apparently rippled through space right after the Big Bang.
Astronomy
Jun 14, 2014
42
0
Rochester Institute of Technology researchers continue exploring gravitational waves in a series of upcoming papers. Their reports follow the first direct detection of these waves, predicted by Albert Einstein's general theory ...
Astronomy
Feb 22, 2016
10
26
(Phys.org)—Physicists have discovered a surprising consequence of a widely supported model of the early universe: according to the model, tiny cosmological perturbations produced shocks in the radiation fluid just a fraction ...
Supermassive black holes: every large galaxy's got one. But here's a real conundrum: how did they grow so big?
Astronomy
Oct 17, 2013
66
0
Studying the violent collisions of black holes and neutron stars may soon provide a new measurement of the Universe's expansion rate, helping to resolve a long-standing dispute, suggests a new simulation study led by researchers ...
General Physics
Apr 28, 2021
3
255
Researchers have created a new magnetic mirror-based device that could one day help cosmologists discover new details about ripples in space-time known as gravitational waves, particularly those emitted when the universe ...
Optics & Photonics
Dec 13, 2016
8
492
In the moments immediately following the Big Bang, the very first gravitational waves rang out. The product of quantum fluctuations in the new soup of primordial matter, these earliest ripples through the fabric of space-time ...
General Physics
Dec 9, 2020
47
314
Future missions will be able to find signatures of violating the parity-symmetry in the cosmic microwave background polarization more accurately after a pair of researchers has managed to take into account the gravitational ...
Astronomy
Nov 2, 2023
16
108
Scientists at the Harvard-Smithsonian Centre for Astrophysics in the US have announced overnight what they believe is the indirect detection of gravitational waves in the afterglow of the Big Bang.
Astronomy
Mar 18, 2014
73
0
