Suppose One Twin Takes a Ride in a Spaceship Traveling

question 51

Multiple Choice

Suppose one twin takes a ride in a spaceship traveling at a very high speed to a distant star and then back again,while the other twin remains on Earth.Compared to the twin who remained on Earth,the astronaut twin is

• A)younger than the Earth-twin.
• B)the same age as the Earth-twin.
• C)older than the Earth-twin.
• D)The ages cannot be determined from the information provided.

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