Researchers led by Ph.D. candidate Zang Lei and Prof. Qian Shengbang from Yunnan Observatories of the Chinese Academy of Sciences (CAS) have discovered that the orbital period of the persistent supersoft X-ray source QR Andromeda ...
Astronomy
May 11, 2023
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132
In May 2022, the Event Horizon Telescope (EHT) team released the first-ever radio image of M87's central black hole. It was a stunning revelation based on observations made using a worldwide array of radio telescopes. Recently, ...
Astronomy
Apr 30, 2023
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94
An accretion disk is a colossal whirlpool of gas and dust that gathers around a black hole or a neutron star like cotton candy as it pulls in material from a nearby star. As the disk spins, it whips up powerful winds that ...
Astronomy
Apr 10, 2023
1
304
A white dwarf star can explode as a supernova when its mass exceeds the limit of about 1.4 solar masses. A team led by the Max Planck Institute for Extraterrestrial Physics (MPE) in Garching and involving the University of ...
Astronomy
Mar 24, 2023
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5395
Using the Guillermo Haro Observatory (OAGH) in Mexico, astronomers have performed spectroscopic observations of a dwarf nova known as U Geminorum. Results of the observational campaign, published March 10 on the arXiv pre-print ...
Researchers led by Ph.D. candidate Zang Lei and Prof. Qian Shengbang from the Yunnan Observatories of the Chinese Academy of Sciences have discovered that the orbital evolution of the supersoft X-ray source WX Centauri (WX ...
Astronomy
Mar 15, 2023
0
12
New observations have revealed a spiral pattern in a disk of material around a still forming, but already high-mass, baby star. This indicates that there is gravitational instability in the disk, which has important implications ...
Astronomy
Feb 28, 2023
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105
An international team of astronomers reports the detection of more than 400 new high-redshift quasars using the Dark Energy Spectroscopic Instrument (DESI). The discovery, published February 3 on the arXiv preprint server, ...
The universe was simply different when it was younger. Recently astronomers have discovered that complex physics in the young cosmos may have led to the development of supermassive stars, each one containing up to 100,000 ...
Astronomy
Feb 3, 2023
1
160
The first laboratory realization of the long-standing but never-before confirmed theory of the puzzling formation of planets, stars and supermassive black holes by swirling surrounding matter has been produced at PPPL. This ...
Plasma Physics
Jan 12, 2023
0
59
