Vanguard 1 is the oldest satellite orbiting Earth. Scientists want to bring it home after 67 years

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PHPStorm配置支持友好的Laravel代码自动提示 - 摘要： Decades ago during the heady space race rivalry between the former Soviet Union and the United States, the entire world experienced the Sputnik moment when the first artificial satellite orbited the Earth.

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An artist's illustration of the VAN 284 scientific Earth satellite, designed and built by Project Vanguard at the US Naval Research Laboratory. (Image credit: Bettmann/CORBIS/Bettmann Archive/Getty Images)

Decades ago during the heady space race rivalry between the former Soviet Union and the United States, the entire world experienced the Sputnik moment when the first artificial satellite orbited the Earth.

Sputnik 1's liftoff on Oct. 4, 1957 sparked worries in the U.S., made all the more vexing by the embarrassing and humiliating failure later that year of America's first satellite launch when the U.S. Navy's Vanguard rocket went "kaputnik" as the booster toppled over and exploded.

An emotional rescue for America came via the first U.S. artificial satellite. Explorer 1 was boosted into space by the Army on Jan. 31, 1958. Nevertheless, despite setbacks, Vanguard 1 did reach orbit on March 17, 1958 as the second U.S. satellite.