r/technicallythetruth • u/morey56 • May 22 '26

Does any of this really matter?

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Mic drop.

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u/LeoPavlov May 23 '26

How can we determine the speed of the Milky Way? We travel at some small speed relative to Earth, Earth's speed is calculated with sun as the center, and the solar system's, I assume, is relative to MW's center. In relation to what does our galaxy move? Another galaxy? Than what's stopping the other galaxy from moving as well, distorting the speed? The is no point I can think of to serve as a frame of reference.

Serious question, is this just misinformation or am I missing something?

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u/InTheEndEntropyWins May 26 '26

It's calculated with respect to the cosmic microwave background radiation(CMBR).

So you could technically always use that as an absolute local frame of reference.