Time is like a movie, when you're moving fast, the frames play slower for you. Imagine riding on a super-fast rocket; to you, everything feels normal, but someone watching from Earth sees your time going by slowly, just like a slowed-down video.
Examples
- A person on a rocket going near the speed of light ages slower than someone standing still.
- If you traveled at almost light speed for a year, your friend on Earth might have aged ten years.
- A twin who goes on a fast space journey returns to find their sibling has grown old while they've barely aged.
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See also
- Einstein's Mind-Bending Insight: Time as the Fourth Dimension
- How Does Gravity Affect Time in Space?
- How Does Gravity Affect Light?
- How Do We Measure the Speed of Light?
- How Does Time Travel Work in Movies and Real Life?
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