We now have a standard model of cosmology, the current version of the Big Bang theory. Although it has proved very successful, its consequences are staggering. We know only 5% of the content of the universe, which is normal ...
Astronomy
Feb 22, 2024
6
48
Massive stars refer to stars that are more than ten times the mass of the sun. They can release powerful ultraviolet radiation, ionize the gas in the interstellar medium, and eventually produce the elements necessary for ...
Astronomy
Jul 13, 2023
0
174
The first results from the James Webb Space Telescope have hinted at galaxies so early and so massive that they are in tension with our understanding of the formation of structure in the universe. Various explanations have ...
Astronomy
May 17, 2023
31
708
Sometimes to know what the matter is, you have to find it first.
General Physics
Jan 31, 2023
2
700
At this stage in the evolution of the universe (about 14 billion years after the big bang) there are four fundamental forces in action that cause interactions among the constituents of matter.
Quantum Physics
Dec 23, 2022
0
103
RUDN University astrophysicists have gathered the most important discoveries of modern cosmology from 1917 to our time. The collected data became an introduction to Philosophical Transactions of the Royal Society A in two ...
Astronomy
Nov 21, 2022
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82
Astrophysicists have performed a powerful new analysis that places the most precise limits yet on the composition and evolution of the universe. With this analysis, dubbed Pantheon+, cosmologists find themselves at a crossroads.
Astronomy
Oct 19, 2022
64
979
Black holes are among the most compelling mysteries of the universe. Nothing, not even light, can escape a black hole. And at the center of nearly every galaxy there is a supermassive black hole that's millions to billions ...
Plasma Physics
Mar 11, 2022
8
570
Researchers from University of Copenhagen have investigated what happened to a specific kind of plasma—the first matter ever to be present—during the first microsecond of Big Bang. Their findings provide a piece of the ...
Condensed Matter
May 21, 2021
73
3789
Humans have long explored three big scientific questions: the evolution of the universe, the evolution of Earth, and the evolution of life. Geoscientists have embraced the mission of elucidating the evolution of Earth and ...
Earth Sciences
Apr 6, 2021
0
11
