/u/Shit_man_idk's posts in /r/askscience

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Let's say I put a steel beam 1000 feet in the air above the earth, and this beam goes all the way around the world until it comes back and connects with it's original point, making a perfect circle. Assuming there is no support structure, would this steel beam levitate above the earth?

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Theoretically if it was humanities collective goal to knock earth off of its orbit around the sun, could it be done? How much force is needed to do so? Is it possible to generate such force with the technology we have today? Say earth did get knocked off. How long would we survive for?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Let's say I put a steel beam 1000 feet in the air above the earth, and this beam goes all the way around the world until it comes back and connects with it's original point, making a perfect circle. Assuming there is no support structure, would this steel beam levitate above the earth?	4010
Theoretically if it was humanities collective goal to knock earth off of its orbit around the sun, could it be done? How much force is needed to do so? Is it possible to generate such force with the technology we have today? Say earth did get knocked off. How long would we survive for?	1