"How can we see a black hole?" (Ask an Astronomer)

Jet Propulsion Laboratory

California Institute of Technology

"How can we see a black hole?" (Ask an Astronomer)

Ask an Astronomer Video • August 24th, 2006 • ask2006-002

If no light escapes from a black hole, how can we detect them? 'Ask an Astronomer' explains.

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2006-002_podcast.m4v