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GEORGE ELLERY HALE
GEORGE ELLERY HALE
USA (1868 - 1938)
George Ellery Hale was an American solar astronomer, born in Chicago. He was educated at MIT, at the Observatory of Harvard College, (1889-90), and at Berlin (1893-94). As an undergraduate at MIT, he invented the spectroheliograph, with which he made his discoveries of the solar vortices and magnetic fields of sun spots.
 

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

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Alexei Filippenko

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

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Alexei Filippenko

Dark energy
Alexei Filippenko - University of California, Berkeley

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Alexei Filippenko

An expanding universe
Alexei Filippenko - University of California, Berkeley

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Alexei Filippenko

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

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Alexei Filippenko

Intrinsic luminosity
Alexei Filippenko - University of California, Berkeley

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Alexei Filippenko

The inverse square law
Alexei Filippenko - University of California, Berkeley

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Alexei Filippenko

IYA greeting
Alexei Filippenko - University of California, Berkeley

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Alexei Filippenko

KAIT and one-minute expansion
Alexei Filippenko - University of California, Berkeley

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Alexei Filippenko

KAIT: two teams in the 1990s (Part 1)
Alexei Filippenko - University of California, Berkeley

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