# The different neighbours around Type-1 and Type-2 active galactic nuclei

@article{Villarroel2014TheDN,
title={The different neighbours around Type-1 and Type-2 active galactic nuclei},
author={Beatriz Villarroel and Andreas Korn},
journal={Nature Physics},
year={2014},
volume={10},
pages={417-420}
}
• Published 1 June 2014
• Physics
• Nature Physics
An active galactic nucleus is the brightest source of electromagnetic radiation in the Universe, believed to be powered by a supermassive black hole at its core. There are two main types of active galactic nuclei, though the differences may be down to varying viewing angles. Or are they?
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