Why Does The Earth Rotate On Its Axis
Olivia Luz
The planets formed after the explosion rotate due to the conservation of angular momentum which is keeping them in motion till date.
Though spinning at 1 000 miles per hour the earth takes 24 hours to make a complete rotation. If you d like more info on earth check out nasa s solar system exploration guide on earth. It has done so since it formed 4 6 billion years ago and it will continue to do. The axis is the earth s center of gravity around which it rotates.
Here s an article about why earth has seasons and here s an article about the earth s axis. Earth s movement along its nearly circular orbit while it is rotating once around its axis requires that earth rotate slightly more than once relative to the fixed stars before the mean sun can pass overhead again even though it rotates only once 360 relative to the mean sun. Earth s graceful 24 hour rotation rate is one of the traits that makes our planet so friendly to life allowing most parts of earth to stay a nice comfortable temperature as they are bathed in sunlight during the day and darkness at night. Scientists continue to work towards an understanding of why the earth spins and continues to rotate on its axis.
We re all familiar with the basic properties of earth s rotation. It continues to spin because of. It revolves completely about every 24 hours and we call that a day. Nasa determines why earth wobbles on its axis.
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The earth spins because it formed in the accretion disk of a cloud of hydrogen that collapsed down from mutual gravity and needed to conserve its angular momentum. Multiplying the value in rad s by earth s equatorial radius of 6 378 137 m wgs84 ellipsoid factors of 2π.
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