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www.reference.com/science/long-day-sun-5e3a6510f51ee43e

Because the sun is not a planet, a solar day is undefined. The definition of a solar day is the amount of time it takes for a planet to rotate on its axis before the sun returns to the same spot in the sky.

www.astronomy.com/news/2016/08/how-long-is-a-day-on-the-sun

As most people know, the Sun is a much more complicated celestial object than the Earth or any of the other planets. Therefore the simple question of “How long is a day on the Sun” does not ...

www.quora.com/How-long-is-a-day-on-the-Sun

A day on the Sun depends on which part of the Sun you’re talking about. The Sun rotates faster at the equator than at the poles. A spot on the equator of the Sun takes 24.47 days to rotate around the Sun and return to the same position. Astronomer...

www.universetoday.com/37481/days-of-the-planets

A Day On Venus: Also known as “Earth’s Twin”, Venus is the second closest planet to our Sun – ranging from 107,477,000 km at perihelion to 108,939,000 km at aphelion. Unfortunately, Venus ...

plus.maths.org/content/how-long-day

The sidereal day is shorter than the solar day: at time 1 the Sun is directly overhead. At time 2, the Earth has rotated once about its axis, but the Sun is not yet right overhead. We have to wait another 1/366 of a full roation until it is. Image courtesy Gdr.

www.answers.com/Q/What_is_the_length_of_day_on_the_Sun

Frankly, I think there could be no day or year on the sun because one year is how long it takes a planet to revolve around the sun. It takes the sun aproxamitly 25.6 days to rotate on its axis ...

www.universetoday.com/123218/how-long-is-a-day-on-earth-2

How Long is a Day on Earth? I’m going to ask you how long a day is on Earth, and you’re going to get the haunting suspicion that this is a trap. Your instincts are right, it’s a trap!

www.answers.com/Q/How_long_is_one_day_and_night_on_the_sun

One complete lunar 'day' is about 29.5 Earth days. So any spot on the moon has the sun up in its sky and light for 14.7 Earth days, followed by the sun down and not in the sky and darkness for the ...

www.timeanddate.com/time/earth-rotation.html

Modern timekeeping defines a day as the sum of 24 hours – but that is not quite correct. The Earth's rotation slows down over time. So in terms of solar time, most days are a little longer than 24 hours. Universal Time (UT) How Long Is Today? Today is predicted to be 1.2953 ms (milliseconds) or 0.0012953 seconds longer than 24 hours.