New Books in Science cover image

James Trefil and Shobita Satyapal, "Supermassive: Black Holes at the Beginning and End of the Universe" (Smithsonian Books, 2025)

New Books in Science

00:00

What are the event horizon and singularity?

Shobita defines the event horizon and singularity and explains how compressing mass inside a critical radius prevents light escape.

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