M87
Location
A galaxy containing the supermassive black hole that was famously photographed by the Event Horizon Telescope Collaboration, providing the first direct image of a black hole's shadow.
Mentioned in 2 videos
Videos Mentioning M87

Brian Greene: Quantum Gravity, The Big Bang, Aliens, Death, and Meaning | Lex Fridman Podcast #232
Lex Fridman
A supergiant elliptical galaxy home to a supermassive black hole that was the first to be directly imaged by radio telescopes.

Andrew Strominger: Black Holes, Quantum Gravity, and Theoretical Physics | Lex Fridman Podcast #359
Lex Fridman
A galaxy containing the supermassive black hole that was famously photographed by the Event Horizon Telescope Collaboration, providing the first direct image of a black hole's shadow.