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Browsing Tag

radio signal

4 posts
SScience
This illustration depicts Faraday rotation in the afterglow of a gamma-ray burst. A powerful jet (upper left) sends polarized radio waves outward through the thin wall of a surrounding bubble of magnetized gas called an HII region. As the light passes through this material, its polarization angle is twisted by the magnetic field. Because the effect is stronger at longer wavelengths, the red and blue waves, which represent different radio wavelengths, exit the bubble oscillating in different directions. By measuring this difference, astronomers were able to map the magnetic environment surrounding GRB 260310A for the first time. Image credit: NSF / AUI / NRAO / M. Weiss
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Astronomers Detect Gamma-Ray Burst’s Magnetic Fingerprint

  • July 16, 2026
Using NSF’s Very Large Array (VLA), astronomers made the first radio detection of polarized light and Faraday rotation…
SSpace
Extended Orion nebula shell sampled by HI emission from the combined VLA and FAST observations (shown in red), Hα emission from the European Southern Observatory Digitized Sky Survey (shown in green), and 3.4-μm emission registered by the Wide-field Infrared Survey Explorer (WISE) satellite (shown in blue). Image credit: Juan D. Soler, University of Vienna / NRAO / VLA / NASA / WISE.
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Astronomers Uncover Hidden Structures Surrounding Orion Nebula

  • July 12, 2026
Using the Karl G. Jansky Very Large Array (VLA) s and the Five-hundred-meter Aperture Spherical Radio Telescope (FAST),…
SScience
An artist’s impression of a rare trio of merging galaxies, J121/1219+1035, which host three actively feeding, radio-bright supermassive black holes and whose jets light up the surrounding gas. Image credit: NSF / AUI / NRAO / P. Vosteen.
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Astronomers Discover Triple System of Active Galactic Nuclei 1.2 Billion Light-Years Away

  • December 29, 2025
A rare trio of merging galaxies called J121/1219+1035 hosts three actively feeding, radio-bright supermassive black holes, according to…
PPhysics
Unexplainable radio signal defying laws of universe has no clear source. 'It is a unicorn'
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Unexplainable radio signal defying laws of universe has no clear source. ‘It is a unicorn’

  • July 25, 2025
Scientists are baffled by a strange radio signal picked up by the most advanced radio telescopes that defies…
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