As I understand it, the distribution of matter is roughly homogeneous across space -- anywhere I stand in the universe, there will about the same amount of matter in every direction around me.
Is the distribution of matter across velocities roughly homogeneous? If I flew away from the center of the Milky Way at .999c, would all directions look roughly the same, or would I notice a wind of galaxies and neutrinos traveling at a preferred velocity?
Tags I cannot add: cosmological principle, homogeneity, isotropy
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