The structure of the universe is often described as being a cosmic web of filaments, nodes, and voids, with the nodes being clusters of galaxies, the largest gravitationally bound objects known. These nodes are thought to ...
Astronomy
Jun 20, 2022
1
3708
Scientists have long tried to explain the origin of a mysterious, large and anomalously cold region of the sky. In 2015, they came close to figuring it out as a study showed it to be a "supervoid" in which the density of ...
Astronomy
May 31, 2017
47
1187
New data released today by the Atacama Cosmology Telescope (ACT) in Chile indicate our universe is around 13.8 billion years old, matching the measurements made by the Planck satellite in 2015, and calling into question the ...
Astronomy
Jul 16, 2020
4
201
A supervoid is unlikely to explain a 'Cold Spot' in the cosmic microwave background, according to the results of a new survey, leaving room for exotic explanations like a collision between universes. The researchers, led ...
Astronomy
Apr 25, 2017
88
784
Researchers have created a 3D printed cosmic microwave background - a map of the oldest light in the universe - and provided the files for download.
General Physics
Oct 28, 2016
1
2222
Dark matter, matter in the universe that does not emit, absorb or reflect light, cannot be directly detected using conventional telescopes or other imaging technologies. Astrophysicists have thus been trying to identify alternative ...
ESA's Planck satellite has revealed that the first stars in the Universe started forming later than previous observations of the Cosmic Microwave Background indicated. This new analysis also shows that these stars were the ...
Astronomy
Aug 31, 2016
35
1468
There's been a whirlwind of commentary of late speculating that the acceleration of the expanding universe might not be real after all.
Astronomy
Oct 28, 2016
48
476
(Phys.org) —Scientists have solved a major problem with the current standard model of cosmology by combining results from the Planck spacecraft and measurements of gravitational lensing to deduce the mass of ghostly sub-atomic ...
General Physics
Feb 10, 2014
20
0
In standard cosmological models, the formation of cosmological structures begins with the emergence of small structures, which subsequently undergo hierarchical merging, leading to the formation of larger systems. As the ...
Astronomy
Jan 23, 2024
0
188
