The World's Fair Unisphere, located in Queens, New York, towers 13 stories above fountains. The Earth's axial tilt, about 23.5 degrees, is accurately represented. Encircling the stainless steel globe are the paths of Telstar, the first communications satellite; Vostok-1, the first spacecraft carrying a person (Soviet cosmonaut Yuri Gagarin); and Friendship-7, the spacecraft that carried the first American to orbit the Earth, John Glenn.

Photograph by James P. Blair
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axis
axis Encyclopedic Entry

Best For
5 - 12 and up

Subjects
Earth Science, Physics

Appropriate For

  • Educators
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An axis is an invisible line about which an object rotates, or spins.