Jul 15, 2023

Shining Light on Cosmic Secrets: Scientists Test a Controversial Theory of Blazar Emissions

Posted by in category: cosmology

Penn State researchers have recently characterized over a hundred blazars – far-off, dynamic galaxies hosting a central supermassive black hole.

A black hole is a place in space where the gravitational field is so strong that not even light can escape it. Astronomers classify black holes into three categories by size: miniature, stellar, and supermassive black holes. Miniature black holes could have a mass smaller than our Sun and supermassive black holes could have a mass equivalent to billions of our Sun.

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