Why does obliquity change?
Alexander AcostaObliquity is the angle between the axis of orbital plane and the spin axis of the planet. For the Earth, the orbital axis is getting a little closer, over a century, and obliquity gets smaller.
Over a century, the decline rate is roughly 47". Source: Wikipedia on obliquity.
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Hailey AlvarezObliquity changes due to gravitational interactions, primarily caused by the gravitational forces from other celestial bodies, such as the Moon and planets, acting on Earth over time.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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