Using data gathered by the Large Area Telescope onboard NASA's Fermi Gamma-ray Space Telescope and a stacking technique combining signals too weak to be observed on their own, researchers detected gamma rays from UFOs in ...
Astronomy
Nov 10, 2021
0
131
Quasars are very bright, distant and active supermassive black holes that are millions to billions of times the mass of the Sun. Typically located at the centers of galaxies, they feed on infalling matter and unleash fantastic ...
Astronomy
Jun 23, 2021
7
6929
At the heart of almost every sufficiently massive galaxy there is a black hole whose gravitational field, although very intense, affects only a small region around the center of the galaxy. Even though these objects are thousands ...
Astronomy
Jun 9, 2021
10
734
Astrophysicists from the University of Bath have developed a new method for pinpointing the whereabouts of extremely rare extragalactic objects. They hope their technique for finding 'changing-look quasars' will take scientists ...
Astronomy
May 19, 2021
21
1435
A team of astronomers led by the University of Arizona has observed a luminous quasar 13.03 billion light-years from Earth—the most distant quasar discovered to date. Dating back to 670 million years after the Big Bang, ...
Astronomy
Jan 12, 2021
8
5630
Supermassive black holes, which likely reside at the centers of virtually all galaxies, are unimaginably dense, compact regions of space from which nothing—not even light—can escape. As such a black hole, weighing in ...
Astronomy
Aug 19, 2020
0
134
The 'Cow' is not alone; with the help of W. M. Keck Observatory on Maunakea in Hawaii, astronomers have discovered two more like it—the 'Koala' and a similar mysterious bright object called CSS161010. This trio of fast ...
Astronomy
May 26, 2020
2
693
Over the past two decades, astronomers have concluded that most, if not all, galaxies host massive black holes at their centers—and the masses of a black hole and its host galaxy are correlated. But how are the two connected? ...
Astronomy
May 21, 2020
7
468
In a new study published April 23 on arXiv.org, Spanish astronomers have reported on an extreme blazar known as 2WHSP J073326.7+515354. Results of the research reveal the distance to this source and provide essential information ...
Universities Space Research Association (USRA) today announced that scientists on NASA's Stratospheric Observatory for Infrared Astronomy (SOFIA) found a strange black hole that is changing its galactic surroundings in a ...
Astronomy
Dec 2, 2019
0
198
