If I built a tube from Earth's surface to the exosphere, would all the air be sucked out to space?
If this pipe reached to a big planet, like Jupiter, would its gravity through the pipe suck our atmosphere?
If one end of the pipe was at the Earth's core, and other in the exosphere, would the magma go there, like in giant volcano?
Answer
No, it would not be sucked off, for the same reason that the earth has an atmosphere to begin with: gravity.
No, for the same reason that Jupiter doesn't have a noticeable pull on you: the strength gravity decreases with the inverse square of distance.
No, Gravity is too strong.
Your misconception seems to be coming from the idea of a vacuum and a straw. The vacuum itself is not what causes the sucking. It is the atmospheric pressure that causes sucking.
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