| 21. | This changes the location of the equatorial bulge of the Earth and further affects the geoid, or global potential field.
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| 22. | This theory never won scientific adherents since the earth's equatorial bulge makes the spin too stable for any sudden change.
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| 23. | Actually it'll be slightly less than that due to the pull of the equatorial bulge itself, but that's harder to compute.
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| 24. | The resulting equatorial bulge is about 20 % larger than the polar radius, giving the star the shape of an oblate spheroid.
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| 25. | It is due to shorter-period fluctuations in the strength of the torque exerted on Earth's equatorial bulge by the sun, moon, and planets.
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| 26. | [[ Image : Equatorial bulge model . png | frame | right | Fixed to the vertical rod is a spring metal band.
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| 27. | The Earth's equatorial bulge causes the orbital right ascension of the ascending node ( RAAN ) to prograde ( inclination < 90?) orbit.
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| 28. | This is causing an equatorial bulge, giving the star an oblate figure with a 24 % larger radius at the equator than at the poles.
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| 29. | Gamma Cassiopeiae is a rapidly spinning star with a projected rotational velocity of 472 km s " 1, giving it a pronounced equatorial bulge.
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| 30. | It has a projected rotational velocity of 255 km / s, resulting in an equatorial bulge with a radius 13 % larger than the polar radius.
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