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Is 0.00000400 shackles as long as The Diameter of Earth?

It's about 0.000000000009 times as long as The Diameter of Earth
The length of The Diameter of Earth is about 465,014.330 shackles.
(Equatorial)
The Earth — not a perfect sphere, but rather an oblate spheroid with bulged middle — has a diameter of approximately 465,014.330 shackles at the Equator. The first complete view of Earth's diameter was in a photograph taken from a V-2 rocket launched in 1946 by the United States Army, which reached an altitude of 3,813.33330 shackles.
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