Radio frequency interference (RFI) caused by human communication techniques (e.g., satellites, base stations, and navigation radars) can significantly distort shapes of multichannel time-frequency radio signals. Subsequent ...
Astronomy
Aug 4, 2023
0
22
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
1
888
New research, in the wake of the gravitational wave discoveries, sheds light on the environments that could lead to black hole merger events. The work is presented this week at the 2023 National Astronomy Meeting by Ph.D. ...
Astronomy
Jul 6, 2023
0
158
Using computer simulations, an international team of cosmologists have discovered that observations of gravitational waves from merging black holes may unveil the true nature of dark matter. Their finding will be presented ...
Astronomy
Jul 5, 2023
1
558
An international team of astronomers has detected a faint signal of gravitational waves reverberating through the universe. By using dead stars as a giant network of gravitational wave detectors, the collaboration—called ...
Astronomy
Jul 4, 2023
0
118
Gravitational astronomy is a relatively new discipline that has opened many doors for astronomers to understand how the huge and violent end of the scale works. It has been used to map out merging black holes and other extreme ...
Astronomy
Jul 3, 2023
2
99
Astronomers around the world have spent decades observing dozens of pulsars—the super-dense remains of exploded stars that emit regular pulses of radio waves as they spin at ludicrous speeds, like runaway lighthouses. Last ...
Astronomy
Jul 3, 2023
0
58
Scientists have observed for the first time the faint ripples caused by the motion of black holes that are gently stretching and squeezing everything in the universe.
Astronomy
Jul 2, 2023
2
219
When black holes and other enormously massive, dense objects whirl around one another, they send out ripples in space and time called gravitational waves. These waves are one of the few ways we have to study the enigmatic ...
Astronomy
Jul 1, 2023
0
117
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
147
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