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Space Age

the period characterized by the launching of artificial satellites and manned space vehicles: regarded as beginning with the launching of the first sputnik on October 4, 1957

Related Forms:

space-age adjective

See Space Age in American Heritage Dictionary 4

also Space Age

noun

The period after 1957, the year in which a spacecraft was first placed in orbit around Earth, marking the beginning of space exploration.

Related Forms:

spaceˈ-ageˌ (spāsˈājˌ) adjective

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Space Age

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