Equator - what is the equator?
Quatr.us answers questions

Equator

Equator

The equator is an imaginary line running around the widest part of the Earth, halfway between the North Pole and the South Pole. North of the Equator, you're in the Northern Hemisphere. South of the Equator, you're in the Southern Hemisphere. North America, Europe, Africa and Asia are mostly in the Northern Hemisphere. South America and Australia are mostly in the Southern Hemisphere.

Other planets like Mars and Jupiter also have equators, which also run around their widest part.

Bibliography and further reading about the earth:

Learn by Doing - Clouds
More about clouds
More about Thunderstorms
More about Weather
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Professor Carr

Karen Eva Carr, PhD.
Assoc. Professor Emerita, History
Portland State University

Professor Carr holds a B.A. with high honors from Cornell University in classics and archaeology, and her M.A. and PhD. from the University of Michigan in Classical Art and Archaeology. She has excavated in Scotland, Cyprus, Greece, Israel, and Tunisia, and she has been teaching history to university students for a very long time.

Professor Carr's PSU page

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