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Is the purpose of the equator?

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Anonymous

14y ago
Updated: 6/3/2023

The equator is a member of a set of imaginary lines formed by the intersection of a plane normal to the rotation poles of the planet and the planet's surface. These are generically called lines of latitude and the equator is unique in this set of lines in that it is the longest of these lines (the largest circle) and divides the planet into two equal hemispheres. It forms the base from which to measure how far north or south you are on the planet and also tells you where you should position a satellite to be in geosynchronous orbit.

The plane of the equator is also used to chart the positions of all the stars, is used to predict the changing of the seasons and tells you where things are moving fastest on the Earth's surface (as a result of the Earth's rotation).

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Althea Olson

Lvl 13
2y ago

What else can I help you with?