When the brightness of the star Betelgeuse dropped dramatically a few months ago, some observers suspected an impending supernova—a stellar explosion that could also cause damage on Earth. While Betelgeuse has returned ...
General Physics
Sep 30, 2020
20
3327
A team of international experts who are known for debunking black hole discoveries have found a dormant stellar-mass black hole in the Large Magellanic Cloud, a galaxy that neighbors the Milky Way. The team includes Kareem ...
Astronomy
Jul 18, 2022
3
1907
You know that saying, "keep your friends close, but keep your enemies closer?" That advice needs to go right out the window when we're talking black holes. They're the worst enemies you could have and you want them as far ...
Astronomy
Mar 21, 2016
6
79
Permanent magnets akin to those used on refrigerators could speed the development of fusion energy—the same energy produced by the sun and stars.
General Physics
Mar 11, 2020
6
5249
Since the beginning of human history, people have understood that the sun is a central part of life as we know it. It's importance to countless mythological and cosmological systems across the globe is a testament to this. ...
Astronomy
May 10, 2016
1
49
The wall of dense gas and dust resembles a massive winged creature, its glowing maw lit by a bright star as it soars through cosmic filaments.
Astronomy
Sep 12, 2022
1
3303
Black holes are gatherers, not hunters. They lie in wait until a hapless star wanders by. When the star gets close enough, the black hole's gravitational grasp violently rips it apart and sloppily devours its gasses while ...
Astronomy
Jan 13, 2023
4
883
(Phys.org) —What happens when massive stars collapse? One potential result is a core-collapse supernova. Astronomers can make observations of such events that tell us what is happening on the surface of a star when it explodes ...
Astronomy
May 2, 2014
0
0
Scientists have long studied the work of Subrahmanyan Chandrasekhar, the Indian-born American astrophysicist who won the Nobel Prize in 1983, but few know that his research on stellar and planetary dynamics owes a deep debt ...
Planetary Sciences
Sep 15, 2022
5
2415
Stars are not perfect spheres. While they rotate, they become flat due to the centrifugal force. A team of researchers around Laurent Gizon from the Max Planck Institute for Solar System Research and the University of Göttingen ...
Astronomy
Nov 16, 2016
5
3221
