(Phys.org)—Physicists have proposed a mechanism for "cosmological collapse" that predicts that the universe will soon stop expanding and collapse in on itself, obliterating all matter as we know it. Their calculations suggest ...
The Universe is expanding, but how quickly is it expanding? How far away is everything getting from everything else? And how do we know any of this anyway?
Astronomy
Feb 10, 2015
10
127
The accelerated expansion of the present universe, believed to be driven by a mysterious dark energy, is one of the greatest puzzles in our understanding of the cosmos. The standard model of cosmology called Lambda-CDM, explains ...
The universe is big, as Douglas Adams would say.
Astronomy
Sep 11, 2023
6
344
Using a model of black holes, scientists from the Ural Federal university (UrFU, Yekaterinburg) determined that a popular theory of gravity that seemed to work perfectly at the cosmological level (a subclass of Horndeski ...
General Physics
Oct 27, 2017
29
6298
Astronomers using NASA's Hubble Space Telescope have discovered that the universe is expanding 5 percent to 9 percent faster than expected.
Astronomy
Jun 2, 2016
97
5187
An international team of astronomers has created the largest ever three-dimensional map of distant galaxies in a bid to help them understand one of the most mysterious forces in the universe.
Astronomy
Jul 14, 2016
11
2798
(PhysOrg.com) -- When many think about mass spectrometry, they visualize uses in biomolecular work. This is because mass spectrometry used in MALDI and ESI techniques is much less harsh than ionization methods used before. ...
Completing a nearly 30-year marathon, NASA's Hubble Space Telescope has calibrated more than 40 "milepost markers" of space and time to help scientists precisely measure the expansion rate of the universe—a quest with a ...
Astronomy
May 19, 2022
9
1073
(Phys.org) —Cosmologist Christof Wetterich of the University of Heidelberg has uploaded a paper to the arXiv server in which he claims it's possible that the theory of expansion of the universe might be incorrect. He suggests ...
