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PLANET HUNTERS! How do you detect planets that are hundreds of light years away? Professor John Johnson and his team of scientists explain how human consciousness has changed in the last 20 years.

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Animated by Jorge Cham: http://jorgecham.com
Featuring: John Johnson, Melodie Kao, Ben Montet and Jon Swift - http://exolab.caltech.edu/

Produced in Partnership with the Johnson Exolab at Caltech with funding provided by the Caltech Innovation in Education Fund. The Exolab is supported by The David & Lucille Packard Foundation and the Alfred P. Sloan Foundation.

Sound Mixing: Laurence Yeung
Transcription: Noel Dilworth

LINKS!
The Exoplanet Data Explorer: http://exoplanets.org
Join the Hunt! http://planethunters.org