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TYCHO OTTESEN BRAHE
TYCHO OTTESEN BRAHE
Scania, Denmark (1546 - 1601)
Tycho Brahe was a Danish nobleman famed for his accurate and comprehensive astronomical and planetary observations. Hailing from Scania, then part of Denmark, now part of modern-day Sweden, Brahe was well known in his lifetime as an astronomer and alchemist.
 

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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Steven Beckwith

Improving the Hubble telescope
Steven Beckwith - Space Telescope Science Institute (STScI

In the case of Hubble it was the same thing, they said ‘we will put a large telescope in space’ – they had some pretty good ideas about how to do it, but there were many details left to be worked out.

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Steven Beckwith

Hubble: The People's Telescope
Steven Beckwith - Space Telescope Science Institute (STScI

The more I looked at Hubble, the more I became convinced that this was a modern miracle, something we had to keep going, had to have up there. You see it time and again, in the way that the public reacts to the Hubble.

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Trudy Bell

Draper and the development of the reflecting telescope
Trudy Bell - Writer

In the 1860s, Henry Draper in the United States – on the Hudson River in New York State, discovered a way of making a mirror out of glass, and so you’d just have the concave surface of glass instead of speculum metal, and he discovered a way of depositing a thin coating of silver on it, and so it would take the curve of the figure.

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Trudy Bell

A brief history of mirror and lens
Trudy Bell - Writer

Basically, the development of the telescope can be thought of as a race between the mirror and the lens, and we didn’t know which one was going to win. Both had major technical problems, and both had major advantages. They were different.

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Trudy Bell

Dolland and the achromatic refractor
Trudy Bell - Writer

In the 18th century a man named John Dolland, and also his son Peter Dolland, together made what they called achromatic reflectors using that. Achromatic means – “A” means no and “chromatic” means color, so it’s a no color refractor – and that was a huge boost to the development of the refracting telescope.

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