Bert and Ernie Are Two Friends of the Same Age

question 61

Multiple Choice

Bert and Ernie are two friends of the same age. Bert visits a nearby star system on a spaceship that travels close to the speed of light while Ernie stays at home. Which of the following will be true on Bert's return to Earth?

• A) Ernie will be younger than Bert
• B) Ernie will be older than Bert
• C) Bert and Ernie will still be the same age
• D) Ernie will not have been born

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