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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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Catherine Cesarsky

Studying galaxy formation in the infrared with ALMA
Catherine Cesarsky - International Astronomical Union

In addition to looking at nearby regions or star formations also to study the composition of these clouds which will contain complicated molecules which are probably the first elements to build life, ALMA will also be capable of doing very important discoveries in the very far away universe.

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Geoff Chester

Chronometers at the US Naval Observatory
Geoff Chester - US Naval Observatory

Transcript in progress.

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Geoff Chester

How I became an astronomer
Geoff Chester - US Naval Observatory

Transcript in progress.

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Geoff Chester

IYA greeting
Geoff Chester - US Naval Observatory

Transcript in progress.

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Geoff Chester

History of the US Naval Observatory
Geoff Chester - US Naval Observatory

Transcript in progress.

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