The precise orbit of a heavenly body — a planet, asteroid, or comet — is fixed by the laws of conservation of energy and angular momentum.
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Episode 50: Particles And Waves – The Mechanical Universe
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Episode 49: The Atom – The Mechanical Universe
A history of the atom, from the ancient Greeks to the early 20th century, and a new challenge for the world of physics.
Episode 48: Low Temperatures – The Mechanical Universe
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Episode 47: Entropy – The Mechanical Universe
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