Unletterboxd

Discover

  • Popular
  • Top Rated

Genres

loading...

TMDB logo

This product uses the TMDB API but is not endorsed or certified by TMDB.

  • Action
  • Adventure
  • Animation
  • Comedy
  • Crime
  • Documentary
  • Drama
  • Family
  • Fantasy
  • History
  • Horror
  • Music
  • Mystery
  • Romance
  • Science Fiction
  • TV Movie
  • Thriller
  • War
  • Western

Cast

John Shrapnel

John Shrapnel

Narrator

Crew

Zoe Heron

Zoe Heron

Writer

Movie poster

Supermassive Black Holes

20008.0 / 1049 min
Documentary

Overview

"Horizon" examines the recent discovery of supermassive black holes, which spawn galaxies even as they threaten to destroy everything in their path.