What Happens to Time When You Travel at Nearly the Speed of Light?

Imagine you're on a super-fast spaceship, like a rocket that goes almost as fast as light. For someone watching from Earth, your clock would tick slower than theirs. It's like time stretched out for you, you age less than the people who stayed behind.

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Examples

You ride a super-fast rocket and come back home looking younger than your brother who stayed behind.
A clock on a spaceship ticks slower compared to a clock on Earth.
You zoom past the moon at nearly light speed, and it seems like you only aged minutes while years passed on Earth.

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Categories: Space · relativity· time dilation· speed of light· space travel· theory of relativity