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A comment on Strong Solar Flare Erupts from Sun on Jun 20, 2023. Parent comment

Re:Strong Solar Flare Erupts from Sun on Jun 20, 2023 by zmgsabst on Wednesday June 21, 2023 @07:59AM (#36417343)
A tidally locked satellite rotates: one rotation per orbit.
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Re:Strong Solar Flare Erupts from Sun on Jun 20, 2023 by this_was_posted on Wednesday June 21, 2023 @08:03AM (#36417379)
unless the body it rotates around rotates at the exact same speed around another body in the opposite direction
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Re:Strong Solar Flare Erupts from Sun on Jun 20, 2023 by jacquesm on Wednesday June 21, 2023 @09:41AM (#36418336)
Then it still rotates.
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Re:Strong Solar Flare Erupts from Sun on Jun 20, 2023 by throwaway290 on Wednesday June 21, 2023 @10:22AM (#36418825)
It can only rotate relative to an arbitrary point, not in some objective absolute sense. Here it does not rotate relative to chosen point.
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Re:Strong Solar Flare Erupts from Sun on Jun 20, 2023 by jacquesm on Wednesday June 21, 2023 @12:39PM (#36420856)
Something about privileged reference frames...
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Re:Strong Solar Flare Erupts from Sun on Jun 20, 2023 by throwaway290 on Wednesday June 21, 2023 @12:52PM (#36421060)
But what's the alternative, right?
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