http://www.perlmonks.org?node_id=1146627


in reply to What would be the most significant thing to happen if a rope (or wire) tied the Earth and the Moon together?

Given the Moon's mass is 7.34771022; and a "cable" made of carbon nanotubes with a tensile strength of 63 gigapascals would need to have a diameter of 4000km in order to endure the tension of that mass -- and that's ignoring the mass of the cable itself ~185 trillion tonnes -- I'll wait until someone works out how to manufacture the 4000km diameter x 400000km cable and finds a source of energy on earth sufficient to lift it into space before I start worrying about the consequences of doing this :)


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