University of Notre Dame researchers, along with collaborators in China and Australia, published a new sample catalog of more than 24 million stars that can be used to decipher the chemical history of elements in the Milky ...
Astronomy
Feb 11, 2022
0
144
Astronomers have discovered a black hole unlike any other. At one hundred thousand solar masses, it is smaller than the black holes we have found at the centers of galaxies, but bigger than the black holes that are born when ...
Astronomy
Jan 24, 2022
8
847
A survey completed using a combination of ground and space-based telescopes yielded a treasure trove of previously unknown globular clusters—old, dense groups of thousands of stars that all formed at the same time—in ...
Astronomy
Jan 11, 2022
1
1284
The forthcoming launch of the James Webb Space Telescope offers unprecedented new opportunities for astronomers. It's also a timely opportunity to reflect on what previous generations of telescopes have shown us.
Astronomy
Dec 23, 2021
2
519
Scientists have found four enormous cavities, or bubbles, at the center of a galaxy cluster using NASA's Chandra X-ray Observatory. This unusual set of features may have been caused by eruptions from two supermassive black ...
Astronomy
Dec 16, 2021
0
1527
Italian astronomers have performed X-ray observations of the massive galaxy cluster ClG-J104803.7+313843, using ESA's XMM-Newton spacecraft. Results of the observational campaign, presented November 26 on arXiv.org, shed ...
Astronomers have a model of how galaxy cluster collisions go through different stages, taking on various shapes. A blunt body shape turns into a sharp cone, which turns into a tongue-like shape. The first and last have been ...
Astronomy
Dec 7, 2021
0
306
An international team of astronomers has performed a multiwavelength study of a galaxy cluster known as ACT-CL J0019.6+0336 (J0019 for short). Results of the research, published November 8 on the arXiv pre-print repository, ...
A husband-and-wife team of astronomers at the University of Toledo joined forces for the first time in their scientific careers during the pandemic to develop a new method to look back in time and change the way we understand ...
Astronomy
Nov 16, 2021
0
116
Using data from NASA's Chandra X-ray Observatory, Indian astronomers have inspected a nearby galaxy cluster known as Abell 1569. Results of the study, published October 29 on arXiv.org, deliver important insights into the ...
