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  Sputnik 1 was the first man made earth satellite. It was 58 cm straight polished metal sphere.
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  Sputnik 2 or Prosteyshiy Sputnik 2 was the seccond spacecraft launched into earth orbit on November 2, 1957, and the first to carry a living animal, a dog named Laika
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  Vanguard 2 or Vanguard II is an earth orbiting satellite launched February 17, 1959 aboard a Vanguard SLV 4 roket as part of the United States Navy's Project Vanguard
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  Vostok 1 or Russian; Восто́к 1 was the first spaceflight in the Vostok program and the first human spaceflight in history. It was not the first spcecraft to go into space.
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  Apollo 11 was the landed spacecraft to take humans to the moon.
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