A new study reports conclusive evidence for the breakdown of standard gravity in the low acceleration limit from a verifiable analysis of the orbital motions of long-period, widely separated, binary stars, usually referred ...
Astronomy
Aug 8, 2023
272
5160
A small team of astrophysicists from the California Institute of Technology, the MIT Kavli Institute for Astrophysics and Space Research and the University of Amsterdam has discovered a binary system with two stars so small ...
They are mysterious, exciting and inescapable—black holes are some of the most exotic objects in the universe. With gravitational-wave detectors, it is possible to detect the chirp sound that two black holes produce when ...
Astronomy
Jul 31, 2023
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888
Massive stars refer to stars that are more than ten times the mass of the sun. They can release powerful ultraviolet radiation, ionize the gas in the interstellar medium, and eventually produce the elements necessary for ...
Astronomy
Jul 13, 2023
0
174
Dr. Varsha Ramachandran from the Center for Astronomy of Heidelberg University (ZAH) and her colleagues uncovered the first "stripped" star of intermediate-mass. This discovery marks a missing link in our picture of stellar ...
Astronomy
Jul 7, 2023
0
563
The universe is expanding; we've had evidence of that for about a century. But just how quickly celestial objects are receding from each other is still up for debate.
Astronomy
Jun 30, 2023
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1569
Black holes, some of the most captivating entities in the cosmos, possess an immense gravitational pull so strong that not even light can escape. The groundbreaking detection of gravitational waves in 2015, caused by the ...
Astronomy
Jun 29, 2023
0
54
Researchers from the National Astronomical Observatories of the Chinese Academy of Sciences (NAOC) and their collaborators at home and abroad have discovered a binary pulsar with a 53-minute orbital period using the Five-hundred-meter ...
Astronomy
Jun 27, 2023
0
97
Although astrophysicists have never sensed supermassive black hole binary systems, a galaxy-sized detector composed of dead stars is hot on their trail.
Astronomy
Jun 8, 2023
0
168
Stars living closest to the supermassive black hole at the center of the Milky Way have no stellar companions, a new study finds.
Astronomy
May 11, 2023
14
87
