They are called UFOs, but aliens have nothing to do with them. They are the ultra-fast outflows: space winds that emerge from the surroundings of supermassive black holes and blow at speeds close to that of light. An international ...
Astronomy
May 3, 2023
0
232
As telescopes have become more advanced and powerful, astronomers have been able to detect more and more distant galaxies. These are some of the earliest galaxies to form in our universe that began to recede away from us ...
Astronomy
Jun 30, 2022
0
352
Published today in the journal Earth's Future, researchers from UCL, the University of Cambridge and Massachusetts Institute of Technology (MIT) used a 3D model to explore the impact of rocket launches and re-entry in 2019, ...
Environment
Jun 25, 2022
7
425
Astronomers found a number of baby stars hiding around the center of the Milky Way using the Atacama Large Millimeter/submillimeter Array (ALMA). Previous studies had suggested that the environment there is too harsh to form ...
Astronomy
Mar 29, 2021
1
471
Active galactic nuclei (AGNs) play a major role in galaxy evolution. Astronomers from SRON and RuG have now used a record-setting sample of galaxies to confirm that galaxy mergers have a positive effect on igniting AGNs. ...
Astronomy
May 29, 2020
6
501
Active galactic nuclei (AGN) are supermassive black holes at the centers of galaxies that are accreting material onto their hot circumnuclear disks, releasing the energy in bursts of radiation or as particle jets moving at ...
Astronomy
Feb 3, 2020
86
419
Even though the black hole at the center of the Milky Way is a monster, it's still rather quiet. Called Sagittarius A*, it's about 4.6 million times more massive than the sun. Usually, it's a brooding behemoth. But scientists ...
Astronomy
Aug 14, 2019
96
7879
Astronomers using the Nobeyama Radio Obeservatory (NRO) 45-meter telescope found that high-density gas, the material for stars, accounts for only 3 percent of the total mass of gas distributed in the Milky Way. This result ...
Astronomy
Jul 24, 2019
1
137
The supermassive black holes in the centres of many galaxies seem to have a major influence on their evolution. This happens during a phase in which the black hole is consuming the material of the galaxy in which it resides ...
Astronomy
Jun 7, 2019
12
1210
Stars form from the gas and dust in molecular clouds via a series of complex processes that are currently only partly understood, and the evolution of these clouds drives the evolution of the stellar populations in the universe. ...
Astronomy
Apr 1, 2019
1
260
