21-10-2016 19:30 via scitechdaily.com

Hotspots in Active Galactic Nucleus Cygnus A

Astronomers used the Low Frequency Array radio telescope to obtain high spatial resolution images of the hotspots in Cygnus A, providing the first direct evidence that the spectral shape difference previously inferred is real. The nucleus of a so-called “active” galaxy contains a massive black hole that is vigorously accreting material. As a result, the […]
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