Supermassive Black Holes
First aired on Nov 30, 2000
Runtime: 49 mins
80%
Genres: Documentary
"Horizon" examines the recent discovery of supermassive black holes, which spawn galaxies even as they threaten to destroy everything in their path.
Featured Cast: click image to view more
John Shrapnel | Narrator
Featured Crew
Zoe Heron | Writer
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