Vanguard 1

Vanguard 1

63 years after its launch on March 17, 1958, Vanguard 1 is the oldest satellite still orbiting Earth. Weighing only 3.2 pounds and with a diameter of 6.5 inches, Soviet Premier, Nikita Khrushchev, derided it as "the grapefruit satellite."

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Categories: ScienceSpace