Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas
303 | AMA | February 2025
Sean Carroll
And imagine that you have Doppler imaging in your eyeballs, so you can see how fast the different galaxies are moving away from you. And you notice that galaxies that are relatively nearby are moving away from you relatively slowly. Galaxies that are far away are moving away from you faster, okay? So they're moving away from you at different speeds. what does that mean?
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