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CHRISTIAAN HUYGENS
CHRISTIAAN HUYGENS
The Hague, Netherlands (/1629/ - /1695/)
Using the Paris Observatory (completed in 1672), Christiaan Huygens made further astronomical observations. In 1684 he published Astroscopia Compendiaria which presented his new aerial (tubeless) telescope.
 

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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Trudy Bell

Alvan Clark and Sons and the end of the large refractor
Trudy Bell - Writer

The most famous makers of refracting telescopes, that made them the world’s largest five times over, was the father and sons team Alvan Clark and Sons.

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Trudy Bell

Groundbreaking telescopes
Trudy Bell - Writer

The key telescopes that changed the technology of the telescope.

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Trudy Bell

IYA Greeting
Trudy Bell - Writer

My name is Trudy E. Bell. I’m a science journalist and the former editor of the journal of the antique telescope society.

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Trudy Bell

Lens vs. mirror telescopes
Trudy Bell - Writer

The lens telescope and the mirror telescope, developed in parallel, at the same time. And there were a lot of technical issues – technology issues, it wasn’t at all clear which was going to be better.

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Trudy Bell

Large speculum mirrors of the 19th century
Trudy Bell - Writer

The main problem that Herschel and also Lord Ross had with their mirrors is they had to be repolished so often, especially in the foggy, grimy atmosphere of industrializing England.

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