Physics, 31.07.2019 13:30 V3ga661

In the geologic past, the polarity of earth's magnetic field is

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In the geologic past, the polarity of earth's magnetic field is reversed.

In fact, polarity of the earth's magnetic field changes periodically: position of magnetic north pole and magnetic south pole switch during the time, and this phenomenon is called geomagnetic reversal. The frequency of this reversal is not constant in time, and this phenomenon generally happens after thousands or milion years.

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the largest known star in the universe is uy scuti, a hypergiant with a radius around 1,700 times larger than the

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i really dont know but i will try okay.

so i think u would just add all them up and get your answer..

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In the geologic past, the polarity of earth's magnetic field is...