The Beguiling Opportunity That Appears Twice in a Lifetime: Halley Armada

The video explores the nature of comets, their visibility, and categorization based on orbital periods. It highlights Halley's Comet, its historical significance, and the multinational missions known as Halley's Armada that studied it in the 1980s. The missions revealed surprising details about the comet's composition and challenged previous theories about the origin of Earth's water.

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