When matter falls into supermassive black holes in the centers of galaxies, it unleashes enormous amounts of energy and is called an active galactic nuclei (or AGN). A fraction of AGN release part of this energy as jets that ...
Astronomy
Mar 21, 2023
0
55
Using the Atacama Large Millimeter/submillimeter Array (ALMA), astronomers have spotted signs of a "hot spot" orbiting Sagittarius A*, the black hole at the center of our galaxy. The finding helps astronomers better understand ...
Astronomy
Sep 22, 2022
217
485
Scientists using the Atacama Large Millimeter/submillimeter Array (ALMA)—an international observatory co-operated by the U.S. National Science Foundation's National Radio Astronomy Observatory (NRAO)—have for the first ...
Astronomy
Aug 3, 2022
6
342
Using multiple radio telescopes across the world, a team of astronomers from the Cosmic Dawn Center, Copenhagen, have discovered several galaxies in the early universe that, due to massive amounts of dust, were hidden from ...
Astronomy
Jul 11, 2022
0
1479
Communications across the vastness of interstellar space could be enhanced by taking advantage of a star's ability to focus and magnify communication signals. A team of graduate students at Penn State is looking for just ...
Astronomy
Jul 6, 2022
0
239
The supermassive black hole (SMBH) at our galaxy's core, Sagittarius A*, is modest in size with only 4.15 million solar-masses. The Event Horizon Telescope (EHT) recently released a dramatic submillimeter image of it as seen ...
Astronomy
Jun 24, 2022
0
251
"Extraordinary claims require extraordinary evidence," said Carl Sagan. This phrase is the standard that astronomers will be applying to a curious signal captured with China's "Sky Eye" telescope that might be a transmission ...
Astronomy
Jun 16, 2022
0
648
An unprecedented new telescope image of the Milky Way galaxy's turbulent center has revealed nearly 1,000 mysterious strands, inexplicably dangling in space.
Astronomy
Jan 26, 2022
2
8195
By connecting two of the biggest radio telescopes in the world, astronomers have discovered that a simple binary wind cannot cause the puzzling periodicity of a fast radio burst after all. The bursts may come from a highly ...
Astronomy
Aug 26, 2021
15
433
Scientists have measured thousands of nearby stars and far away galaxies that have never been identified before at radio wavelengths, while studying a galactic body that neighbors our own Milky Way galaxy—the Large Magellanic ...
Astronomy
Aug 19, 2021
1
530
