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He theorized that the Earth was the center of the universe, and that the other planets and the sun revolved around the Earth. Geocentric.
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FUN FACTS!!!
. Pionner 10 was the first spacecraft to leave the solar system
. Skylab was an orbiting research lab
. Viking I had an orbiting probe and lander
. the Voyager space probe expanded our understanding of the othe planets.
. John Glenn ?: Freindship 7 first American flight
. Columbia was the first space shuttle flight.
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He theorized that the Sun waa the center of the universe and the Earth revolved around the Sun along with other planets. Heliocentric!
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He stated that the planets revolve around the Sun in a elliptial orbit. Kelper also theorized this laws ofbplanetary motion that are still used today.
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He used a telescope to observe objects in space including craters and mountains on the moon and sunspots on the Sun
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He showed that all objects attract each other due to gravity, explaining why one object orbits another
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He provedthat other galaxies beyond the Milky Way, and that the universe is much larger than our own galaxy
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The united Stares and the Soviet Union competed with each other on who will go up to space first.
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Russia launched the first artificial satelilte, Sputnik I
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A Russian cosmonaut became the fisrt human to orbit Earth
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He few aboard "Freedom 7"capsule, part of NASA"s Mercury Mission.
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I was durring the Gemini that the American astronaunts fisrt walked on the moon.
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To go to the moon NASA built the "Sauturn V" rocket.
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I was the fisrt mission to land peole on the moon :D
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He belived tthe universe was Geocentric. He theorized that the stars we see are other suns far away and that our sun is much larger than Earth, its just far away