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

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If a theoretical tube was built straight through the planet and an object dropped into it, would it gain enough velocity to exit the other end and escape Earths atmosphere?

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Is it possible to create a map back to our planet from our nearest neighbouring star?

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If our sun was the last source of light in the universe, from how far away could a human observe it with the naked eye?

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What caused my expended AA battery to explode?

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What are the limiting factors which determine muscle strength?

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Title	Upvotes	Mark as read	Favorited	Rating	Add to a list
If a theoretical tube was built straight through the planet and an object dropped into it, would it gain enough velocity to exit the other end and escape Earths atmosphere?	1
Is it possible to create a map back to our planet from our nearest neighbouring star?	1
If our sun was the last source of light in the universe, from how far away could a human observe it with the naked eye?	1
What caused my expended AA battery to explode?	1
What are the limiting factors which determine muscle strength?	1