farcentaurus
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Lightspeed Barrier And Black Holes
farcentaurus replied to Photon Guy's topic in Astronomy and Cosmology
Your mass does not increase as you become relativistic. Assuming you started from Earth, an observer on Earth would measure (I don’t know how) your mass to be increasing. The rocketeer would say the same about Earth as it receded. -
No matter where you go you are still at the center of expansion. Where is the end of a balloon for a 2-D being (forget the nozzle and hope our universe doesn’t have one.