Eli5 full stop/standstill/all stop in space

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Is it really possible for a spaceship to stand still and turn off all engines and just be idle in one exact spot in space like it happens in particular famous tv series etc? Wouldn’t the ship just continue floating away/moving on its own until you turn the engines back on?

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Anonymous 0 Comments

No, that is not how physics works.

First of all, everything in space is moving all the time so a complete stop would only be relevant if it is in relation to some other body.

Second, it takes a long time and a lot of power to accelerate and it takes just as much time and just as much power to accelerate in the opposite vector.

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