# Problem: Anna boards a spaceship and does an interstellar flight while her twin brother, Carlos waits on Earth. Anna’s ship travels at β = 0.80 and, according to Carlos, is gone for 10 years. According to Anna, how long was she gone?A. 3.0 yearsB. 6.0 yearsC. 10. yearsD. 16 yearsE. 19 years

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Anna boards a spaceship and does an interstellar flight while her twin brother, Carlos waits on Earth. Anna’s ship travels at β = 0.80 and, according to Carlos, is gone for 10 years. According to Anna, how long was she gone?

A. 3.0 years

B. 6.0 years

C. 10. years

D. 16 years

E. 19 years

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Consequences of Relativity concept. You can view video lessons to learn Consequences of Relativity Or if you need more Consequences of Relativity practice, you can also practice Consequences of Relativity practice problems .

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