Our telescopes have never detected a black hole more massive than 20 times the mass of the sun. Nevertheless, we now know of their existence as dozens of those black holes have recently been "heard" to merge via gravitational ...
Astronomy
Nov 9, 2021
6
1285
Dr. Lauri Jetsu from the University of Helsinki has analyzed observations of Algol. He argues that Algol has many companion stars which have not been detected from earlier observations. The results have been published in ...
Astronomy
Nov 4, 2021
0
51
Researchers at the University of Notre Dame have identified the first eclipsing magnetic propeller in a cataclysmic variable star system, according to research forthcoming in the Astrophysical Journal.
Astronomy
Jun 8, 2021
0
16
What happens if a supernova explosion goes off right beside another star? The star swells up which scientists predict as a frequent occurrence in the universe. Supernova explosions are the dramatic deaths of massive stars ...
Astronomy
Jun 7, 2021
0
281
The researchers Juan A. Fernández-Ontiveros, of the Istituto Nazionale di Astrofisica (INAF) in Rome and Teo Muñoz-Darias, of the Instituto de Astrofísica de Canarias (IAC), have written an article in which they describe ...
Astronomy
May 26, 2021
1
28
Astronomers are now in a better position to interpret observations of supernova remnants thanks to computer simulations of these cataclysmic events by RIKEN astrophysicists.
Astronomy
Mar 26, 2021
2
2417
An international research team including members from the Max Planck Institute for Gravitational Physics (Albert Einstein Institute; AEI) in Hannover has shown that a rapidly rotating neutron star is at the core of a celestial ...
Astronomy
Feb 3, 2021
1
733
Massive stars end their lives with energetic explosions known as supernovae. Stripped-envelope supernovae show weak or no traces of hydrogen in their ejecta, meaning that the star loses most or all of its hydrogen-rich outer ...
Astronomy
Oct 2, 2020
0
296
Imagine that the size of a bacterium is measured from a distance of about 4500 light-years. This would be an incredible measurement, considering that a bacterium is so small that a microscope is required to see it, and what ...
Astronomy
Aug 20, 2020
0
270
The massive star that exploded to form the supernova known as Cassiopeia A most likely had a companion star that has yet to be spotted, a spectroscopic analysis by RIKEN astrophysicists suggests. This will provide fresh impetus ...
Astronomy
Jul 3, 2020
0
239
