An astronaut on a spaceship moving at 0.927c says that the trip between two stationary stars took 4.26 y. How long does this journey appear to take to someone in the rest frame of the two stars?
A) 1.60 y
B) 2.30 y
C) 12.6 y
D) 11.4 y

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The Answer of An astronaut on a spaceship moving at 0.927c says that the trip between two stationary stars took 4.26 y. How long does this journey appear to take to someone in the rest frame of the two stars?
A) 1.60 y
B) 2.30 y
C) 12.6 y
D) 11.4 y

An Astronaut on a Spaceship Moving at 0