Our milky way galaxy is 100000 ly in diameter a spaceship, Ask an Expert

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Our Milky Way galaxy is 100000 ly in diameter. A spaceship crossing the galaxy measures the galaxy's diameter to be a mere 1.0 ly.

What is the speed of the spaceship relative to the galaxy?

How long is the crossing time as measured in the galaxy's reference frame?

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Category:- Physics
Reference No.:- M91038631

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