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384-322 BC -earth is round- we are center of universe- sun moon stars rotate around us on clear "shells"
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measured the distance from the Earth to the Moon during a solar eclipse that was a total eclipse at Syene and a partial eclipse at Alexandria.-
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he thought the earth was the center of the universe, or geocentric model
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was an astronomer, mathematician, translator, artist, and physicist among other things.
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the first competent mind in modern astronomy to feel ardently the passion for exact empirical facts.
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he is commonly related to the telescope
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He is best known for his laws of planetary motion, based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. he was Tycho Brahe assessment
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he found IO Callisto Ganymede European which are Jupiter 4 moons. he did not, against popular belief, discover the telescope
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uses mirrors instead of glass.
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determined the distance from Earth to Mars and made successful measurements of longitude.
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laws of motion. using others work he invented the reflected telliscope.
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Herschel constructed his first large telescope in 1774, after which he spent nine years carrying out sky surveys to investigate double stars. . He also discovered the tech we use for infrared scanning.
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it uses clear lenses to maginafy the stars, moon, etc.
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In 1913 he determined the distances to several Cepheid variable stars.In this determination he made a mistake, possibly a slip of the pen, putting the stars 10 times too close.
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the Lowell observatory.he was obsessed with his work so he dragged a chair and table into his observatory. he also died here in Arizona!
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At Bell Telephone Laboratories Jansky built an antenna designed to receive radio waves at a frequency of 20.5 MHz. It was mounted on a turntable that allowed it to be rotated in any direction, earning it the name "Jansky's merry-go-round". It had a diameter of approximately 100 ft. and stood 20 ft. tall. By rotating the antenna on a set of four Ford Model-T tires, the direction of a received signal could be pinpointed.
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he discoverd that the universe is explanding
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who developed the theory of relativity? none other that Mr. Albert Einstein. He continued to deal with problems of statistical mechanics and quantum theory, which led to his explanations of particle theory and the motion of molecules.
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sputnik is an satellite that was launched by the soviet union. it moves at a speed of 1800 miles per hour. it is able to rotate the earth every 96 minuets.
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1961-1968 /// unmanned missions.
1963-1966/// escape pod tests
1967-1972/// maned missions -
it was the apollo 1.
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He was the first human to journey into outer space when his Vostok spacecraft completed an orbit of the Earth on 12 April 1961.
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i was NOT able to find anything on this
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was invented by none other than Giovanni Cassini, hence, the name. it spent 6 years, 261 days in route to Jupiter.
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the first man on the moon.
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i only found a US seneter by this name.
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it was launched 15 mins after we got out of school.
