Earth just got 7 km/s faster and about 2000 light-years closer to the supermassive black hole in the center of the Milky Way Galaxy. But don't worry, this doesn't mean that our planet is plunging towards the black hole. Instead ...
Astronomy
Nov 27, 2020
2
3358
A team of space scientists with the Chinese Academy of Sciences, at both the Purple Mountain Observatory and the National Astronomical Observatories, has found that the traditional view of the Milky Way galaxy as having four ...
Astronomers are poised Wednesday to unveil the first direct image of a black hole and the surrounding whirlwind of white-hot gas and plasma inexorably drawn by gravity into its ravenous maw, along with the light they generate.
Astronomy
Apr 9, 2019
104
956
An international group of researchers observed a source of variable gamma rays identified in 2010 by the NASA satellite Fermi. They used a technique called VLBI, that combines data from several radio telescopes on Earth, ...
Astronomy
Jun 29, 2020
0
467
There's a revolution underway in astronomy. In fact, you might say there are several. In the past 10 years, exoplanet studies have advanced considerably, gravitational wave astronomy has emerged as a new field, and the first ...
Quantum Physics
May 30, 2022
1
404
An international research team including astronomers from the Max Planck Institute for Radio Astronomy in Bonn, Germany, has combined radio telescopes from five continents to prove the existence of a narrow stream of material, ...
Astronomy
Feb 22, 2019
38
624
Despite decades of study, black holes are still among the most powerful and mysterious celestial objects ever studied. Because of the extreme gravitational forces involved, nothing can escape the surface of a black hole (including ...
Astronomy
May 4, 2022
52
222
Last year, scientists drove up Mauna Loa volcano on Hawai'i, aimed a laser at a reflector positioned on Haleakala peak on Maui, and beamed rapid pulses of laser light through 150 kilometers of turbulent air. While the pulses ...
General Physics
Jun 21, 2023
0
31
While studying classical novae using the National Radio Astronomy Observatory's Very Long Baseline Array (VLBA), a graduate researcher uncovered evidence showing that the objects may have been erroneously typecast as simple. ...
Astronomy
Jun 6, 2023
2
355
Using the Very Long Baseline Interferometry (VLBI) technique, astronomers have probed the parsec-scale jet of a neutrino-emitting blazar known as TXS 0506+056. Results of the new study, presented May 1 on arXiv.org, shed ...
