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First U.S. citizen in space.
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First U.S, citizen to orbit Earth.
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Explored Venus's atmosphere
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First human to step foot on the moon. Edwin Aldrin second person to walk on the moon. Michael Collins remained in the command module.
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Took pictures of Jupiter. First probe to encounter an outer planet.
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Obtained the first good images of the surface of Mercury.
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Mapped the surface of Mars and searched for life there.
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Took pictures of the surface of Venus.
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Mission included flybys of the outer planets. Took a picture of Neptune as it sped toward the edge of the solar system.
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Mapped the surface of Venus and returned data onn Venus's atmosphere.
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Arrived at Jupiter and sent back data, including an image of europa one of Jupiter's 61 moons.