Catalyst: Deep space telescope

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“Catalyst” explores why astrophysicists launch a balloon carrying a 5,000-pound telescope into the stratosphere over Antarctica.

Phil Mauskopf, PhD
Sam Gordon
Adrian Sinclair

A graphic reading: Voter Ed: What happens to your ballot after it's cast?

What Happens to Your Ballot After It’s Cast?

Nov. 20

Join us for PBS Books Readers Club!

Carl the autistic raccoon and his friends

PBS KIDS introduces new program, ‘Carl the Collector’

a collage of Leonardo da Vinci's work
aired Nov. 19

‘Leonardo da Vinci: A film by Ken Burns’ two-night event

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