Person: I'd love to go to Earth orbit, where there is no gravity my brain: don’t say it don’t say it don’t say it don’t say it don’t say it Me: actually Earth's gravity is still 90% as strong there, you're just in free fall, now let's imagine a cannon 200 miles high, and
Geeky retort: Einstein's theory of general relativity states that free fall is equivalent to and indistinguishable from no gravity.
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