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========== How long is a day on the sun? at first might
seem like a stupid question.A day is how long it takes the sun to come
back overhead.Doesn’t happen on the sun, unless you’re
standing upside down, in which case days onthe sun are infinitesimally short and your
hair is on fire.But maybe a day is how long it takes to spin
around relative to the distant stars, in whichcase different parts of the sun have different
days because it’s a big ball of flowing,gassy plasma and different parts rotate at
different rates: relative to distant stars,the sun’s equator rotates once every 24
and a half earth days, while near the polesit rotates roughly every 34 earth days.Or maybe a day is simply eighty six thousand
and four hundred seconds, in which case aday on the sun is slightly lon...