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How the Universe Works: A Unique Beginning

Our moon was created accidentally when another planet collided with Earth.


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Stephen Hawking's Universe: Gas Giant Life

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How the Universe Works: A Unique Beginning

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Stephen Hawking's Universe: Planets

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How the Universe Works: Saturn's Rings

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How the Universe Works: Little Moons

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Stephen Hawking's Universe: Primordial Soup

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How the Universe Works: Bound to Collide

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How the Universe Works: The Power of Dust

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How the Universe Works: Solar Systems Abound

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Sci-Trek: Moon Prospecting

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Stephen Hawking's Universe: Europa's Living Sea

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How the Universe Works: A Study of Two Moons


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How the Universe Works: Bound to Collide

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How the Universe Works: Solar Systems Abound

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How the Universe Works: The Power of Dust

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How the Universe Works: Saturn's Rings

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How the Universe Works: A Study of Two Moons

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How the Universe Works: A Unique Beginning

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How the Universe Works: Little Moons

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Space: Hubble Captures Saturn's Aurorae

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Stephen Hawking's Universe: Europa's Living Sea

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Stephen Hawking's Universe: Gas Giant Life

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Stephen Hawking's Universe: Planets

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Stephen Hawking's Universe: Primordial Soup