The rotation of the Earth is called as the spinning of the Earth in its axis.
yes
mercury's rotation period is 58.647 earth days. a rotation is when the planet turns around on its axis, like what the earth does once every day.
turning
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Assuming you mean one rotation on its axis, it takes approximately 24 hours. If by some chance you mean a rotation around the sun (called an orbit) that takes approximately 365 days.
It is 1/2 a turn
The period of earth's rotation on its axis is 23hours56minutes4seconds of mean solar time.
one complete turn, a day.
It means, turning or rotating.
one complete spin on the axis.
Uranus is probably what you mean.