Aunc.1740 net.space utzoo!decvax!duke!unc!wm Wed Jan 20 19:38:02 1982 Absolute velocity of the Earth (sri-unix.541 followup) The velocity of earth as 300 km/sec is certainly not absolute. It is relative to the black body radiator. If you were to take the vector sum of all the mass in our universe and define this point as the center of the universe, and then measure our velocity relative to that point, that would still not be an absolute velocity. Think about it.