(PhysOrg.com) -- The first observation of a cosmic effect theorized 40 years ago could provide astronomers with a more precise tool for understanding the forces behind the universe's formation and growth, including the enigmatic ...
Astronomy
Mar 20, 2012
12
0
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
(PhysOrg.com) -- In trying to understand how everything came to be as it appears today, astrophysicists have put together theories that seek to explain how events transpired from the time of the Big Bang, till now. In so ...
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 from the Kavli Institute for the Physics and Mathematics of the Universe and the University of Minnesota, Tomotake Matsumura and Shaul Hanany, and their collaborators have made a new type of optical element that ...
Optics & Photonics
Jan 27, 2022
0
341
The universe was created by a giant bang; the Big Bang 13.8 billion years ago, and then it started to expand. The expansion is ongoing: it is still being stretched out in all directions like a balloon being inflated.
Astronomy
Mar 3, 2021
24
275
Arecibo Observatory observations of galactic neutral hydrogen structure confirm the discovery of an unexpected contribution to the measurements of the cosmic microwave background observed by the WMAP and Planck spacecraft. ...
Astronomy
Jan 5, 2017
4
554
Early in its history, shortly after the Big Bang, the universe was filled with equal amounts of matter and "antimatter"—particles that are matter counterparts but with opposite charge. But then, as space expanded, the universe ...
General Physics
Sep 8, 2022
282
893
Researchers, including physicists from Heidelberg University, have gained new insights into dark energy and the theory of gravitation by analysing data from the "Planck" satellite mission of the European Space Agency (ESA). ...
Astronomy
Mar 5, 2015
19
134
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
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