Comment on Biggest solar flare since 2017 erupts from sun and Earth is in the firing lineparentComments−sevensor1yMaybe they’re contrasting with sidereal days?−chgs1yThat was my initial thought, but that’s a difference of 10 mins over 3 days, and that’s orders of magnitudes more precise than should be used.
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Maybe they’re contrasting with sidereal days?
That was my initial thought, but that’s a difference of 10 mins over 3 days, and that’s orders of magnitudes more precise than should be used.