Earth Trivia:How deep is the earth?

We all know that the earth is actually a huge elliptical sphere with an equatorial radius of 6,378…

We all know that the earth is actually a huge elliptical sphere with an equatorial radius of 6,378 kilometers and a radius of 6,357 kilometers.


Earth Trivia:How deep is the earth?
Earth Trivia:How deep is the earth?

That is to say, from the point on the equator of the earth’s surface, the point that penetrates the center of the earth to the corresponding point on the other side of the earth, there are 12,756 kilometers; from the north pole point to the south pole point, there are 12,714 kilometers. Even if we drilled 10,000 meters underground, it was only 1% of the thickness of the earth.

In the image, the earth is like an apple. We hit a depth of 10,000 meters, and even an apple skin is not drilled.

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