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mikael mikael
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9 years ago
A spaceship is moving between two distant stars at 0.932 c. To someone in the ship, the distance between the two stars appears to be 21.7 ly. What is the distance between the stars in the stars' rest frame? 
A) 59.9 ly 
B) 7.87 ly 
C) 17.4 ly 
D) 45.6 ly 
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padrepadre
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9 years ago Edited: 2 years ago, bio_man
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mikael Author
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#2
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9 years ago
Thanks again.

What about this?

A spaceship is moving between two distant stars at .932c. to someone in the ship, the distance between the two stars appears to be 26.9 light-years. what is the distance between the stars in the rest frame of the stars?
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#3
3 years ago
thank you
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#4
3 years ago
thanks
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#5
2 years ago
Quote from: mikael (9 years ago)
A spaceship is moving between two distant stars at .932c. to someone in the ship, the distance between the two stars appears to be 26.9 light-years. what is the distance between the stars in the rest frame of the stars?
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