ClassX Video Lessons Subjects Astronomy

Category: Astronomy

How One Supernova Measured The Universe

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Why Apollo Astronauts Trained in Nuclear Bomb Craters

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What Actually Expands In An Expanding Universe?

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Is There Gravity In Space?

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The Best Test of General Relativity (by 2 Misplaced Satellites)

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Spinning Black Holes

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The Absurdity of Detecting Gravitational Waves

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How to Understand What Black Holes Look Like

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Drinking in ZERO-G! (and other challenges of a trip to Mars)

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Will This Go Faster Than Light?

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