Black Hole Event Horizons Can Get So Big it'll Boggle Your Imagination

Quantum Physics of Time Travel: Relativity, Space Time, Black Holes, Worm Holes, Retro-Causality, Paradoxes

A large jet of high-energy particles is shown extending from the black hole in the centre of the Centaurus A galaxy

Gaze at a Nearby Actively Feeding Supermassive Black Hole