Dark matter remains one of the greatest mysteries of modern physics. It is clear that it must exist, because without dark matter, for example, the motion of galaxies cannot be explained. But it has never been possible to ...
Astronomy
Jan 23, 2023
18
712
In giant clusters of hundreds or thousands of galaxies, innumerable stars wander among the galaxies like lost souls, emitting a ghostly haze of light. These stars are not gravitationally tied to any one galaxy in a cluster.
Astronomy
Jan 4, 2023
2
552
Researchers have been able to make some key determinations about the first galaxies to exist, in one of the first astrophysical studies of the period in the early universe when the first stars and galaxies formed, known as ...
Astronomy
Nov 28, 2022
0
441
An intermediate-mass black hole lurking undetected in a dwarf galaxy revealed itself to astronomers when it gobbled up an unlucky star that strayed too close. The shredding of the star, known as a "tidal disruption event" ...
Astronomy
Nov 10, 2022
0
374
A team of researchers at Universität Heidelberg has built an early universe analog in their laboratory using chilled potassium atoms. In their paper published in the journal Nature, the group describes their simulator and ...
An international research team led by the University of Minnesota Twin Cities has measured the size of a star dating back 2 billion years after the Big Bang, or more than 11 billion years ago. Detailed images show the exploding ...
Astronomy
Nov 9, 2022
0
781
Using the Very Large Telescope and the radio telescope ALMA in Chile, a team of astronomers including researchers from the Niels Bohr Institute has discovered a swarm of galaxies orbiting the surroundings of a hyper-luminous ...
Astronomy
Sep 12, 2022
4
656
Humanity's view of the distant cosmos will never be the same.
Astronomy
Jul 12, 2022
33
159
A new analysis by a team of physicists offers an innovative means to predict "cosmological signatures" for models of dark matter.
General Physics
Jul 6, 2022
1
1590
The mystery of how the first quasars in the universe formed—something that has baffled scientists for nearly 20 years—has now been solved by a team of astrophysicists whose findings are published in Nature.
Astronomy
Jul 6, 2022
2
2709
