The Marine Chronometer
Clip: Episode 3 | 2m 9sVideo has Closed Captions
Take a closer look at John Harrison's Marine Chronometer.
Take a closer look at John Harrison's Marine Chronometer, the device that solved the longitude problem.
The Marine Chronometer
Clip: Episode 3 | 2m 9sVideo has Closed Captions
Take a closer look at John Harrison's Marine Chronometer, the device that solved the longitude problem.
How to Watch Ancient Skies
Ancient Skies is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and Vizio.
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Video has Closed Captions
Hear Jules Verne's story of a cannon shot to the moon. (2m 4s)
Episode 3 Preview | Our Place in the Universe
Video has Closed Captions
A cast of scientific pioneers reshape our solar system. (30s)
Video has Closed Captions
Astronomer Tycho Brahe overturns 1,500 years of scientific belief. (2m 16s)
Video has Closed Captions
Georges Lemaître proposes that the universe is expanding. (2m 56s)
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