Our universe could be twice as old as current estimates, according to a new study that challenges the dominant cosmological model and sheds new light on the so-called "impossible early galaxy problem."
Astronomy
Jul 13, 2023
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27484
Astronomers have discovered what can happen when a giant black hole does not intervene in the life of a galaxy cluster. Using NASA's Chandra X-ray Observatory and other telescopes they have shown that passive black hole behavior ...
Astronomy
Aug 3, 2020
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6661
New results from the NASA/ESA Hubble Space Telescope suggest the formation of the first stars and galaxies in the early Universe took place sooner than previously thought. A European team of astronomers have found no evidence ...
Astronomy
Jun 4, 2020
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4611
Last year, the Advanced LIGO-VIRGO gravitational-wave detector network recorded data from 35 merging black holes and neutron stars. A great result—but what did they miss? According to Dr. Rory Smith from the ARC Centre ...
Astronomy
Jun 18, 2020
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Scientists have advanced in discovering how to use ripples in space-time known as gravitational waves to peer back to the beginning of everything we know. The researchers say they can better understand the state of the cosmos ...
General Physics
Jan 20, 2023
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5296
Astronomers studying the motions of galaxies and the character of the cosmic microwave background radiation came to realize in the last century that most of the matter in the universe was not visible. About 84 percent of ...
Astronomy
Apr 20, 2018
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No matter which direction you look in the universe, the view is basically the same if you look far enough. Our local neighborhood is populated with bright nebulae, star clusters and dark clouds of gas and dust. There are ...
Astronomy
Aug 5, 2020
27
565
Some 10 billion years ago, the Milky Way merged with a large galaxy. The stars from this partner, named Gaia-Enceladus, make up most of the Milky Way's halo and also shaped its thick disk, giving it its inflated form. A description ...
Astronomy
Oct 31, 2018
3
1189
New research reveals that, like their giant cousins, rocky planets are more likely to be found orbiting high metallicity stars. Furthermore, these planets are more plentiful around low mass stars. This could have important ...
Astronomy
Sep 30, 2011
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0
The James Webb Space Telescope has discovered the four most distant galaxies ever observed, one of which formed just 320 million years after the Big Bang when the universe was still in its infancy, new research said on Tuesday.
Astronomy
Apr 4, 2023
21
658
