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this post was submitted on 07 Jul 2023
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Not any kind of expert, but this seems wrong to me. My understanding is that heliocentrism vs geocentrism is about the whole solar system, ie: the same frame of reference.
So if you were launching a satellite, yes, you would use earth as your reference point but that is NOT geocentrism. You would never use a geocentric model. Ever. Not these days anyway.
Again though, I'm not an expert so maybe don't take this as law
You're absolutely right. Heliocentrism and geocentrism aren't "questions of reference frame", they're cosmological models.
Nobody is using a geocentric model when they launch satellites, as any geocentric model that works with our existing observations of the universe ultimately does not have a functional understanding of gravity. And it will be remarkably difficult to keep a satellite in orbit if you disagree with the universe about how gravity works.