Twin sisters are born simultaneously, and both grow up to work for NASA. One of

Question

Twin sisters are born simultaneously, and both grow up to work for NASA. One of them is an engineer, while her sister pilots an experimental ship that travels to Jupiter at near-light speed. As the ship passes by the Earth, which woman (as viewed by her sister) looks thinner than usual? The pilot, in the moving ship The engineer, back on Earth Both think that her sister looks thinner. Neither thinks that her sister looks thinner. After the ship returns, and the sisters are reunited... The engineer will be younger than the pilot. The pilot will be younger than the engineer. The sisters will be the same age; they're twins! The ship will be infested with evolved apes!

Explanation / Answer

26 c 27.A

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