Our universe may have emerged from a black hole in a higher-dimensional universe, propose a trio of Perimeter Institute researchers.
General Physics
Aug 8, 2014
152
1
The universe is expanding, but how fast exactly? The answer appears to depend on whether you estimate the cosmic expansion rate—referred to as the Hubble's constant, or H0—based on the echo of the Big Bang (the cosmic ...
Astronomy
Apr 4, 2023
19
575
Scientists have discovered the oldest black hole yet, a cosmic beast formed a mere 470 million years after the Big Bang.
Astronomy
Nov 11, 2023
3
154
(PhysOrg.com) -- With beams routinely circulating in the Large Hadron Collider at 3.5 TeV, the highest energy yet achieved in a particle accelerator, CERN has set the date for the start of the LHC research programme. The ...
General Physics
Mar 23, 2010
39
2
A research team led by Cardiff University scientists say they are closer to understanding how a supermassive black hole (SMBH) is born thanks to a new technique that has enabled them to zoom in on one of these enigmatic cosmic ...
Astronomy
Jul 14, 2020
35
2357
(PhysOrg.com) -- The Universe wouldn't be the same without the Higgs boson. This legendary particle plays a role in cosmology and reveals the possible existence of another closely related particle.
General Physics
Sep 21, 2011
21
0
(Phys.org)—There's not as much lithium in the universe as predicted, and scientists aren't sure why. According to the theory of big bang nucleosynthesis (BBN), isotopes of the three lightest elements—hydrogen, helium, ...
As the Big Bang's name suggests, the universe burst into formation from an immense explosion, creating a vast soup of particles. Gigantic clouds of primordial soup, made mainly of hydrogen and helium, eventually collapsed ...
Astronomy
Feb 9, 2014
56
0
Canadian-American cosmologist James Peebles and Swiss astronomers Michel Mayor and Didier Queloz on Tuesday won the Nobel Physics Prize for research that increases the understanding of our place in the Universe.
General Physics
Oct 8, 2019
8
6370
Scientists who study the cosmos have a favorite philosophy known as the "mediocrity principle," which, in essence, suggests that there's really nothing special about Earth, the sun or the Milky Way galaxy compared to the ...
Astronomy
Jun 3, 2022
7
2334
