Scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) and the Karl G. Jansky Very Large Array (VLA) made a rare detection of a likely stellar flyby event in the Z Canis Majoris (Z CMa) star system. An intruder ...
Astronomy
Jan 13, 2022
0
352
A primordial stellar stream discovered in the outer reaches of the Milky Way has a lower proportion of heavy elements than any known stellar system in our galaxy. Observations with the Gemini Observatory, a Program of NSF's ...
Astronomy
Jan 5, 2022
1
2521
Researchers from the University of Chicago and Fordham University have conducted a long-term monitoring of three ultraluminous X-ray sources (ULXs) in the spiral galaxy NGC 891. Results of the research, presented in a paper ...
Using the Cerro Tololo Inter-American Observatory (CTIO), astronomers have detected more than 300 pulsating variable stars by observing the Milky Way's satellite galaxy Antlia 2 (or Ant 2 for short). The finding, reported ...
Rogue planets are elusive cosmic objects that have masses comparable to those of the planets in our Solar System but do not orbit a star, instead roaming freely on their own. Not many were known until now, but a team of astronomers, ...
Astronomy
Dec 22, 2021
2
2394
A new method of analyzing the complex data from massive astronomical events could help gravitational wave astronomers avoid a looming computational crunch.
General Physics
Dec 21, 2021
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352
Using the European Southern Observatory's Very Large Telescope (ESO's VLT), astronomers have revealed the closest pair of supermassive black holes to Earth ever observed. The two objects also have a much smaller separation ...
Astronomy
Nov 30, 2021
23
8149
Astronomers from Austria and Northern Ireland have inspected a peculiar extreme helium supergiant star known as HD 144941. Results of the new study, published October 21 on the arXiv pre-print server, indicate that HD 144941 ...
A new study shows how the chemicals in an exoplanet's atmosphere can, in some cases, reveal whether or not the temperature on its surface is too hot for liquid water.
Astronomy
Oct 27, 2021
0
228
Astronomers have used a planet-hunting satellite to see a white dwarf abruptly switching on and off for the first time.
Astronomy
Oct 18, 2021
1
1405
