In other words, the Earth rotates on its axis, but it’s also orbiting around the Sun, so the Sun’s position in the sky catches up by 4 minutes each day. The amount of time it takes for the Earth to turn once on its axis is known as a sidereal day – which is 23.9344696 hours.
http://www.universetoday.com/47181/earths-rotation/
The Coriolis Effect. Deflection of a projectile due to the Earth's Rotation: An example: 1  Fire a cannonball due North from a cannon on the Equator. 2  The cannon is moving east with the Earth's rotation at a speed of 1670 km/hr.
http://www.astronomy.ohio-state.edu/~pogge/Ast161/Unit4/movearth.html
Nevertheless, the statement is correct. At any given moment, we are all moving at a speed of up to 1,674 kilometers an hour, thanks to the Earth’s rotation, By definition, the Earth’s rotation is the amount of time that it takes to turn around once on its axis. This is, apparently, accomplished once a day – i.e. every 24 hours.. However, there are actually two different kinds of rotation that need to be considered here. For one, there’s the amount of time it take for the Earth to turn once on its axis so that it returns to the same orientation compared to the Universe.
http://www.universetoday.com/47181/earths-rotation/
Earth's Rotation. Earth's Rotation and the Apparent Daily Motion of the Sky. The earth rotates about an imaginary line that passes through the North and South Poles of the planet. This line is called the axis of rotation. Earth rotates about this axis once each day (approximately 24 hours). Although you most likely already knew that fact, there is a slight complication most people are not aware of. More specifically, our rotation period (the time elapsed for one rotation) with respect to the stars is called a sidereal day. A sidereal day is 24 sidereal hours, or 23 hours and 56 minutes on a normal clock. Our clock time is based on the earth's rotation with respect to the sun from solar noon to solar noon.
http://www.polaris.iastate.edu/NorthStar/Unit3/unit3_sub1.htm
Circumference of the Earth at the Equator = 40,000 kilometers. Time to complete one Rotation = 24 hours. Speed of Rotation = Distance/Time = 40,000 km / 24 hr = 1670 km/hr. The speed of revolution around the Sun is even larger:
http://www.astronomy.ohio-state.edu/~pogge/Ast161/Unit4/movearth.html
Circumference of the Earth at 40-deg North = 30,600 kilometers. Time to complete one Rotation = 24 hours. Speed of Rotation at 40 North = Distance/Time = 30,600 km / 24 hr = 1280 km/hr. [Note: For the more mathematically inclined, the rotation speed at a given Latitude = cos(Latitude) x 1670 km/hr.].
http://www.astronomy.ohio-state.edu/~pogge/Ast161/Unit4/movearth.html
Radius of the Earth's Orbit = 1 AU = 150,000,000 kilometers. Circumference of the Earth's Orbit = 2*pi*R = 942,000,000 kilometers. Time to complete one Orbit = 365.2422 days = 8766 hr. Speed of Revolution = Distance/Time = 942,000,000 km / 8766 hr = 107,000 km/hr = 30 km/sec.
http://www.astronomy.ohio-state.edu/~pogge/Ast161/Unit4/movearth.html
· just now. Report Abuse. The Earth makes a full rotation in a 24 hour period, which makes a whole day. And a full orbit of the sun takes 365.25 days, the .25 being the extra day of the leap year that comes every 4 years. And for your other question, I don't think that time can increase or decrease.
https://answers.yahoo.com/question/index?qid=20091106150208AAFngO4
It actually takes the Earth 23 hours, 56 minutes, and 4.09 seconds to turn once on its axis compared to the background stars. The night sky, showing 6 hours of rotation captured by long-exposure.
http://www.universetoday.com/47181/earths-rotation/
Report Abuse. The time of the Earth to make one complete rotation has slowly been increasing over geologic time. There is oxygen isotope evidence in the fossil shells of mollusks that the day was only 18 hours and 20 to 22 minutes long during the Silurian period.
https://answers.yahoo.com/question/index?qid=20091106150208AAFngO4
what unit of time on earth does it take to make a full rotation
It takes 24 hours time on earth to make a full rotation. It takes 24 hours on earth to make a full rotation.