7 Fun Facts about Earth

Earth has a sidereal day

Say what? Tune in. Earth rotates on its axis and since the sun appears in the same position in the sky, it’s called a solar day. As you know it takes 24 hours. Then there is the time the Earth takes to rotate about its axis compared to fixed distant stars other than the sun. That is what is called a sidereal day. It is 4 minutes shorter than the solar day. To be exact it takes 23 hours 56 minutes and 4.091 seconds.

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