Are we really moving through space though? Might we not just be riding with space as it expands? Like a surfer on a wave isn't traveling through the water but riding atop.
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Are we really moving through space though? Might we not just be riding with space as it expands? Like a surfer on a wave isn't traveling through the water but riding atop.
The expansion certainly has some effect on the position of a galaxy in space, but the galaxies themselves are moving through space as well. In fact, the Milky Way galaxy is moving towards a region in space known as "The Great Attractor" which is a huge concentration of galaxies that has enough gravity to attract nearby galaxies.