The speed of revolution of the Earth in its orbit round the Sun is _______________.

same throughout the year

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greatest when the earth in nearest to the sun

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greatest when the earth in farthrest from the Sun

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least when the earth is nearest to the Sun

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Solution

The correct option is B greatest when the earth in nearest to the sun
The Earth travels about 107,000 kilometers per hour. This means that our planet moves around the Sun at an average speed of 30 kilometers per second. Earth's speed is not constant as the Earth has an elliptical orbit. When the Earth is the closest to the Sun (perihelion), it moves the fastest.

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