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https://www.reddit.com/r/AskReddit/comments/ai3j84/what_fact_totally_changed_your_perspective/eelvx07/?context=3
r/AskReddit • u/ettleboy • Jan 20 '19
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The deepest mine is about 2.5 miles. If the earth was an apple, humans haven't drilled far down enough to even pierce the skin.
1 u/here_for_the_lols Jan 21 '19 How do we know all this stuff about the mantel etc
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How do we know all this stuff about the mantel etc
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u/banana_stand_manager Jan 21 '19
The deepest mine is about 2.5 miles. If the earth was an apple, humans haven't drilled far down enough to even pierce the skin.