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Taking your question as referring to the Sun, its rotation is inferred by measuring the velocity of sunspots on the Sun's surface. Or of other features such as prominences.
The Sun's equator has a velocity of about 7 000km/h.
At the equator the rotation period is about 28 days.
At 16o latitude, the rotation period is about 25.4 days.
At the poles, the rotation period is about 34.4 days.
What else can I help you with?
How do we know sun rotates?
We know the Sun rotates because we can watch sunspots on the face of the Sun.
How do you now the sun rotates?
We know the Sun rotates because we can observe stationary sun spots moving across its surface.
Why is Uranus rotates clockwise?
sorry. there isn't a answer right know!
How do you know the earth rotates and revolves?
Because the season changes
How does your planet rotate?
you don't want to know how my planet rotates ;)
The negatively charged particle that rotates the nucleus of an atom is know as?
An electron.
How do you know that the sun does not move at all?
The sun actually rotates so it does move.
Which way does the does the moon rotate?
Apparently, the moon rotates the opposite direction the Earth does, which is counter-clockwise, so it rotates clockwise. I don't know how or why, though.
How do you know the earth rotates?
because spacecrafts can see that the earth spins from outer space :)
How do we know that planets rotate?
Simply by looking at the planet itself. If it's spinning, then it rotates.
How do we know how the Earth rotates around the Sun?
We know that the Earth rotates around the Sun through observations and scientific evidence, such as the changing positions of stars in the sky throughout the year, the varying lengths of days and nights, and the predictable patterns of seasons.
Rotates the crankshaft as the piston moves down the cyliner?
i am doing a coures in tafe inspect and service engines and i would like to know this rotates the crankshaft as the piston moves down the cylinder
