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Galileo was the fist to look at/ discover moons. When Galileo first saw these moons he realized that there were little grey spots (craters.) As time passed he realized the spots changed every day. Galileo discovered that the moons and planets were not flat.
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Robert Goddard was the first to think of using liquid fuel and multiple stage rockets. He also made a system of cool down gases to make the rocket more efficient.
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The third rocket pioneer, Hermann Oberth joined scientists for the German military. Their creation of the V-2 missile played a big part in WW2. Later in 1942 it was launched to space (first human made object.)
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Johannes Winkler made the first liquid fuel rocket test in Dessau, Germany. It reached an altitude of 1000 yards and traveled 2.5 miles.
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The Soviet Union created their own rocket station. They tested their rockets here.
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The U.S. launched a research rocket into space to collect data. This was captured by the V-2 missile.
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The U.S. sent the first organisms to space in 1947, fruit flies.
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The first dog that was launched into space was named Laika. The dog did not return alive.
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This was a launch mechanism used for Sputnik
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The Soviet Union sent the first artificial satellite into space that can send back data (Sputnik.)
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The first rocket that was launched into Earth's orbit was by the Soviet Union.
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A solar wind is a wind that the sun gives off and blows gas and dust away. The Soviet Union was the first to detect this.
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The U.S. captured the first ever picture of the earth from space.
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Plants and animals were sent to space and for the first time they return back unharmed.
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The first human spaceflight and humane orbital flight.
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The very first woman to space was Valentina Tershkova and was put up in space by the Soviet Union.
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NASA was the first to detect our red neighboring planet, Mars.
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The first artificial satellite around our moon was sent by the Soviet Union.
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The first man on the moon was Neil Armstrong. He flew on Apollo 11.
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First contact with Mars and sent signals between probes.
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The first space station was created by the Soviet Union, "Skylab."
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NASA launched the first reusable spacecraft. "It launched like a rocket and returned like a glider."
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NASA launched the first spacecraft that went beyond the orbit of Neptune.
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NASA took the first picture of the whole entire solar system.
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First polar orbit of the sun by NASA and ESA.
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Russia's own Valeri Polyakov orbited the earth for 438 days.
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NASA was the first to orbit an asteroid
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NASA had the first probe to land on an asteroid and collect data
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Kepler mission launched the first telescope to collect data and examine earths exoplanets.
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The first piece of an asteroid was returned to Japan.
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NASA successfully lands rover on Mars to find life clues.