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How Can Astronauts Tell How Fast They’re Going?

Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.

actaworld actaworld
Oct 01, 2026 - 05:22
Updated: 13 hours ago
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How Can Astronauts Tell How Fast They’re Going?

Weirdly, spaceships have no direct way to gauge their own speed. Luckily, we can use some physics tricks to figure it out.

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