(PhysOrg.com) -- The phenomenon of time dilation is a strange yet experimentally confirmed effect of relativity theory. One of its implications is that events occurring in distant parts of the universe should appear to occur ...
Not only does a universal constant seem annoyingly inconstant at the outer fringes of the cosmos, it occurs in only one direction, which is downright weird.
General Physics
Apr 27, 2020
28
16302
Astronomers have charted the largest-ever volume of the universe with a new map of active supermassive black holes living at the centers of galaxies. Called quasars, the gas-gobbling black holes are, ironically, some of the ...
Astronomy
Mar 18, 2024
1
3296
Scientists have for the first time observed the early universe running in extreme slow motion, unlocking one of the mysteries of Einstein's expanding universe. The research is published in Nature Astronomy.
Astronomy
Jul 3, 2023
16
5716
Astronomers have discovered evidence for an extraordinarily long jet of particles from a supermassive black hole in the early Universe, using NASA's Chandra X-ray Observatory.
Astronomy
Mar 9, 2021
8
8239
Scientists have unlocked one of the biggest mysteries of quasars—the brightest, most powerful objects in the universe—by discovering that they are ignited by galaxies colliding.
Astronomy
Apr 25, 2023
11
2089
New research led by astrophysicists at York University has revealed the fastest winds ever seen at ultraviolet wavelengths near a supermassive black hole.
Astronomy
Mar 21, 2016
15
475
A new study reveals that supermassive black holes at the centers of galaxies, known as quasars, can sometimes be obscured by dense clouds of gas and dust in their host galaxies.
Astronomy
Nov 5, 2023
4
1394
(Phys.org)—An international team of astronomers, led by academics from the University of Central Lancashire (UCLan), has found the largest known structure in the universe. The large quasar group (LQG) is so large that it ...
Astronomy
Jan 11, 2013
71
0
Combining observations made with ESO's Very Large Telescope and NASA's Chandra X-ray telescope, astronomers have uncovered the most powerful pair of jets ever seen from a stellar black hole. This object, also known as a microquasar, ...
Astronomy
Jul 7, 2010
7
0
