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Goddard establishes that it is possible to send a rocket to the Moon.Robert Goddard experiments with reaction propulsion in a vacuum and establishes that it is possible to send a rocket to the Moon.
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It was the first (US designed) rocket that reached the edge of space.
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The first pictures of the Earth were taken from an altitude of 105 km.
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The first spacecraft, the Soviet Union's Sputnik 1, was launched on October 4, 1957; it weighed 83.6 kg (184 pounds)
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First animal (a dog named Laika) sent to the orbit.
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The United States launches its first satellite, the 30.8-pound Explorer 1
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First photograph of Earth taken from the orbit (by NASA).
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(April 12, 1961), by the first manned spacecraft, Vostok 1, which carried the Soviet cosmonaut Yury Gagarin.
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First woman in space (Valentina Tereshkova).
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First artificial satellite around the Moon.
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First piloted orbital mission of Moon (by NASA).
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First human on the Moon and first space launch from a celestial body (by NASA) - Commander Neil Armstrong and Pilot Buzz Aldrin.
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First space station.
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The first human-made object that had been sent on escape trajectory away from the Sun (by NASA).
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First photograph of the whole Solar System (by NASA).
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First Venus soil samples and sound recording of another world.
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The first untethered spacewalk, Bruce McCandless II (by NASA).
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First orbiting and landing of an asteroid (433 Eros) – by NASA.
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First sample return beyond lunar orbit (solar wind)- by NASA.
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NASA's Voyager 1 spacecraft officially is the first human-made object to venture into interstellar space. The 36-year-old probe is about 12 billion miles (19 billion kilometers) from our sun.
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First man-made probe to make a planned and soft landing on a comet.