Astronomers report the detection of a new Fanaroff-Riley Class II (FRII) radio galaxy using various telescopes.The newly found galaxy turns out to be a peculiar gamma-ray emitting source. The discovery was detailed in a paper ...
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
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433
Seyfert galaxies are similar to spiral galaxies except that they have extraordinarily prominent, bright nuclei, sometimes as luminous as 100 billion Suns. Their huge energies are thought to be generated as matter falls towards ...
Astronomy
Jan 19, 2015
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143
"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
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648
When astronomers talk about an optical telescope, they often mention the size of its mirror. That's because the larger your mirror, the sharper your view of the heavens can be. It's known as resolving power, and it is due ...
Astronomy
Feb 24, 2020
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79
A pulsar that is able, without warning, to dramatically change the way in which it shines has been identified by an international team of astronomers.
Astronomy
Jan 24, 2013
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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
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Astronomers have used the National Science Foundation's Karl G. Jansky Very Large Array (VLA) and NASA's Spitzer Space Telescope to make the first measurement of wind speed on a brown dwarf—an object intermediate in mass ...
Astronomy
Apr 9, 2020
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1177
In 1838, Friedrich Wilhelm Bessel won the race to measure the first distance to a star other than our Sun via the trigonometric parallax—setting the first scale of the universe.
Astronomy
Nov 20, 2020
7
450
(Phys.org) —How much light has been emitted by all galaxies since the cosmos began? After all, every photon (particle of light) from ultraviolet to far infrared wavelengths ever radiated by all galaxies that ever existed ...
Astronomy
May 24, 2013
66
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