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Astronomy
International Space Station
The Moon

How long will it take someone on the space station to get to the moon?

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December 27, 2015 6:12PM

They will not get to the moon because the space station is not going that way! The distance covered by an object in space is related not only to its speed but its direction and also how these are affected by the gravitational pull of nearby objects. So looking simply at the orbital speed of the space station is totally useless in answering the question.

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May 18, 2015 4:49PM


Assuming that the appropriate means of conveyance is available, and that the question
deals only with the distance and travel time involved, it would take essentially the same
time as if he had started his journey from the Earth's surface.

The distance from the surface to the ISS is only about 0.11 percent of the distance from
the surface to the moon. (And the ISS in on the wrong side half the time.)

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May 18, 2015 8:02AM

Alternatively, it will take longer than forever, because the space station isn't GOING to the moon and in fact, the two are (very, very slowly) getting further apart on average. In the Apollo missions, it took about three days to get to the moon, of which about 10-15 minutes was spent reaching the altitude of the ISS... it's really not much closer to the moon than the surface of the Earth is.

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May 18, 2015 2:59AM

With present technology, about three days.