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Questions tagged [speed]

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5
votes
4answers
1k views

What is the fastest can we or have ever traveled in space?

What is the fastest vehicle currently in space? At what speed with our technology currently does physics restrict our speed limits in space?
10
votes
3answers
994 views

What is the fastest rover that has ever traveled on the surface of an extra-terrestrial body?

What is the fastest rover currently moving on the surface of another celestial body? At what speed with our technology currently does physics restrict our speed limits on the surfaces of solar system ...
4
votes
1answer
117 views

At what point when travelling faster and faster around the earth are you not gonna be falling back again (7km/s? 8km/s?)

My dad and I thought about a problem we had when discussing Earth's gravitational field. This wasnt the original question but I still would like to know the answer. So essentially my question is: ...