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Two big questions — how things fly, and how things orbit. Pick a path below to start exploring.

Orbital Mechanics

How objects move—and stay—in space.

A space station or satellite with solar panels floating in outer space against a backdrop of stars.

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Aerospace

How objects move—and stay—in space.

View of an airplane wing through an airplane window during sunset or sunrise, with a soft blue and orange sky visible.

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An astronaut floating in space above the Earth, with the blackness of space surrounding the scene.

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