/u/h4tt3n's posts in /r/askscience

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Is there a general, formal definition of "being in a closed orbit" for non-trivial cases?

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Could you theoretically lower a space elevator down below the event horizon and back up again (assuming that materials with the needed strength exists)?

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Calculate Delta V with the Tsiolkovsky equation for vehicle with several discrete engines.

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
Is there a general, formal definition of "being in a closed orbit" for non-trivial cases?	1
Could you theoretically lower a space elevator down below the event horizon and back up again (assuming that materials with the needed strength exists)?	1
Calculate Delta V with the Tsiolkovsky equation for vehicle with several discrete engines.	1