Ph.D. candidate GUO Yunlang and Prof. WANG Bo from the Yunnan Observatories of the Chinese Academy of Sciences investigated the formation of black widow pulsars through ultracompact X-ray binaries (UCXBs) with He star companions.
Astronomy
Jul 28, 2022
0
57
A dense, collapsed star spinning 707 times per second—making it one of the fastest spinning neutron stars in the Milky Way galaxy—has shredded and consumed nearly the entire mass of its stellar companion and, in the process, ...
Astronomy
Jul 26, 2022
6
1950
Stars with the mass of the sun or larger are typically accompanied by one or more orbiting companion stars. The system forms when gravity contracts the gas and dust of an interstellar cloud until clumps develop that are dense ...
Astronomy
Jul 1, 2022
0
173
This mosaic of dusty, swirling disks shows a sample of images captured from the International Gemini Observatory, a Program of NSF's NOIRLab, as part of an unprecedented survey of 44 young massive stars. An international ...
Astronomy
Jun 15, 2022
0
250
Watch as eight stars skirt a black hole 1 million times the mass of the Sun in these supercomputer simulations. As they approach, all are stretched and deformed by the black hole's gravity. Some are completely pulled apart ...
Astronomy
Nov 26, 2021
4
2729
This star-studded image shows the irregular dwarf galaxy Sextans B, which lies around 4.5 million light-years from Earth at the outermost edges of the Local Group. With a total mass of around 200 million times the mass of ...
Astronomy
Apr 29, 2021
0
12
A new black hole breaks the record—not for being the smallest or the biggest—but for being right in the middle.
Astronomy
Mar 29, 2021
8
6035
One of humankind's greatest achievements was made on 14th Sept 2015 when the first direct detection of a gravitational wave event was made using the aLIGO observatories in Washington State and Louisana in the U.S.
Astronomy
Jan 22, 2021
5
350
An international team of astrophysicists has found distinctive signatures of black hole event horizons, unmistakably separating them from neutron stars, which are objects comparable to black holes in mass and size but confined ...
Astronomy
Sep 21, 2020
3
27
The Milky Way is not alone in its neighborhood. It has captured smaller galaxies in its orbit, and the two largest are known as the Small and Large Magellanic Clouds, visible as twin dusty smears in the Southern Hemisphere.
Astronomy
Sep 9, 2020
10
729
