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SIR JOHN HERSCHEL
SIR JOHN HERSCHEL
Berkshire, England (1792 - 1871)
Sir John Frederick William Herschel was an English mathematician, astronomer, chemist, experimental photographer and inventor. The son of astronomer Sir William Herschel, he originated the use of the Julian day system in astronomy. He named seven moons of Saturn and four moons of Uranus.
 

Enjoy these insightful and educational video clips drawn from over 70 hours of interviews with the world's leading figures in astronomy, shot during the filming of 400 Years of the Telescope.

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Alexei Filippenko

Bigger telescopes
Alexei Filippenko - University of California, Berkeley

Transcript in progress.

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Alexei Filippenko

Competing teams in the 1990s
Alexei Filippenko - University of California, Berkeley

Transcript in progress.

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Alexei Filippenko

Dark energy
Alexei Filippenko - University of California, Berkeley

Transcript in progress.

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Alexei Filippenko

An expanding universe
Alexei Filippenko - University of California, Berkeley

Transcript in progress.

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Alexei Filippenko

Hubble and the Copernican revolution
Alexei Filippenko - University of California, Berkeley

Transcript in progress.

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