Within the constellation Cygnus, an elderly star and its massive companion are having one last hurrah, flinging off mass at an incredible rate before they explode as supernovae and collapse into a black hole.
Astronomy
Feb 9, 2021
0
69
We've all looked up at night and admired the brightly shining stars. Beyond making a gorgeous spectacle, measuring that light helps us learn about matter in our galaxy, the Milky Way.
Astronomy
Feb 8, 2021
0
14
Massive galaxies with extra-large extended "puffy" disks produced stars for longer than their more compact cousins, new modeling reveals.
Astronomy
Feb 3, 2021
0
245
Nearly every galaxy hosts a monster at its center—a supermassive black hole millions to billions times the size of the Sun. While there's still much to learn about these objects, many scientists believe they are crucial ...
Astronomy
Jan 19, 2021
3
160
A team of astronomers led by the University of Arizona has observed a luminous quasar 13.03 billion light-years from Earth—the most distant quasar discovered to date. Dating back to 670 million years after the Big Bang, ...
Astronomy
Jan 12, 2021
8
5630
Halloween is a time to be haunted by ghosts, goblins and ghouls, but nothing in the universe is scarier than a black hole.
Astronomy
Oct 30, 2020
7
152
For all its vast emptiness, the universe is humming with activity in the form of gravitational waves. Produced by extreme astrophysical phenomena, these reverberations ripple forth and shake the fabric of space-time, like ...
Astronomy
Sep 2, 2020
1
4214
Black holes are at the center of almost all galaxies that have been studied so far. They have an unimaginably large mass and therefore attract matter, gas and even light. But they can also emit matter in the form of plasma ...
Astronomy
Aug 21, 2020
42
5134
An international team of researchers have discovered a dense, cold gas that's been shot out from the center of the Milky Way "like bullets".
Astronomy
Aug 19, 2020
103
2724
The direct detection of gravitational waves from at least eleven sources during the past five years has offered spectacular confirmation of Einstein's model of gravity and space-time, while the modeling of these events has ...
Astronomy
Aug 3, 2020
2
182
