The detection of Einstein's gravitational waves relies on highly precise laser measurements of small length changes. The kilometer-size detectors of the international network (GEO600, LIGO, Virgo) are so sensitive that they ...
Astronomy
Dec 14, 2018
0
144
Now that scientists have confirmed the existence of gravitational waves, a NASA team is set to search for a predicted signature of primordial gravitational waves that would prove the infant universe expanded far faster than ...
Space Exploration
Apr 26, 2016
0
121
Earlier this week, scientists announced that a telescope observing faint echoes of the so-called "Big Bang" had found evidence of the universe's nearly instantaneous expansion from a mere dot into a dense ball containing ...
General Physics
Mar 20, 2014
83
1
New results from NANOGrav - the North American Nanohertz Observatory for Gravitational Waves - establish astrophysically significant limits in the search for low-frequency gravitational waves. This result provides insight ...
Astronomy
Apr 5, 2016
33
133
In the very early universe, physics were weird. A process known as inflation, during which the universe went from a single infinitesimal point to everything we see today, was one such instance of those weird physics. Now, ...
Astronomy
Nov 17, 2023
0
87
Reports of evidence of cosmic inflation may have been, well, overblown.
General Physics
Feb 4, 2015
12
61
(PhysOrg.com) -- An investigation by a major scientific group has advanced understanding of the early evolution of the universe.
General Physics
Aug 19, 2009
60
0
In a paper published today in Physical Review Letters, Valerie Domcke of CERN and Camilo Garcia-Cely of DESY report on a new technique to search for gravitational waves—the ripples in the fabric of spacetime that were first ...
General Physics
Jan 15, 2021
1
270
The history of science is filled with stories of enthusiastic researchers slowly winning over skeptical colleagues to their point of view. Astrophysicist Scott Hughes can relate to these tales.
Astronomy
Apr 2, 2019
0
36
(PhysOrg.com) -- Imagine watching the birth of the universe -- the Big Bang -- from the outside. What would you have seen?
Astronomy
Jun 10, 2010
20
0
