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Humans got a one time ticket to the other side of the galaxy, traveling $2r$ in just a few days (where $r$ is the distance from earth to the super massive black hole: 28,000 lightyears) The stars ...
Humans got a one time ticket to the other side of the galaxy, traveling $2r$ in just a few days (where $r$ is the distance from earth to the super massive black hole: 28,000 lightyears) The stars ...