Like a celestial beacon, distant quasars make the brightest light in the universe. They emit more light than our entire Milky Way galaxy. The light comes from matter ripped apart as it is swallowed by a supermassive black ...
Astronomy
Dec 20, 2023
0
38
The universe is more than 13 billion years old and space is often depicted as a vast, empty vacuum. Other than planets and stars, there's nothing there, right? Actually, space is littered with complex, carbon-based molecules. ...
Astrobiology
Oct 24, 2023
0
18
The mystery of the formation of the first galaxies in the universe is a puzzle for researchers. The nature of dark matter is also one of the most important mysteries faced by fundamental physicists. However, understanding ...
Astronomy
Jul 13, 2023
0
58
A group of astronomers led by Sarah Bosman from the Max Planck Institute for Astronomy have robustly timed the end of the epoch of reionization of the neutral hydrogen gas to about 1.1 billion years after the Big Bang. Reionization ...
Astronomy
Jun 8, 2022
0
562
An international team of astronomers has unveiled the nature of hundreds of gamma-ray emitting sources, discovering that most of them belong to the class of active galaxies known as blazars.
Astronomy
Oct 11, 2021
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1341
For decades astronomers have been spotting bursts of electromagnetic radiation coming from black holes. They assumed those are the result of stars being torn apart, but they have never seen the silhouette of the actual material ...
Astronomy
Apr 23, 2021
4
1634
Red supergiants are a class of star that end their lives in supernova explosions. Their lifecycles are not fully understood, partly due to difficulties in measuring their temperatures. For the first time, astronomers have ...
Astronomy
Mar 1, 2021
0
253
Astronomers have cataloged signs of nine heavy metals in the infrared light from supergiant and giant stars. New observations based on this catalog will help researchers to understand how events like binary neutron star mergers ...
Astronomy
Jan 9, 2020
61
319
The Cygnus Loop (also known as the Veil Nebula) is a supernova remnant, the detritus of the explosive death of a massive star about ten to twenty thousand years ago. Detailed modeling of its spectacular filamentary shape ...
Astronomy
Nov 27, 2018
0
44
Astrophysicists at the University of Santiago de Compostela (Spain) and the Byurakan Observatory (Armenia) have detected a star of low luminosity which within a matter of moments gave off a flare so strong that it became ...
Astronomy
Jun 14, 2013
25
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