Physics, 03.05.2021 09:20 Gearyjames8

If a typical halo star has an orbital velocity of 250 km⁄s, how long does it take to pass through the disk of the galaxy? Assume that the disk is 1000 pc thick. Assume the halo star passes vertically through the disk. (Note that 1 pc = 3.1 × 1013 km). Express your answer in millions of years.

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