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384-322: He thought that the earth was in the middle of the solar system. He also thought that the stars, sun, and planets went around the earth. He died from stomach disease
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100-168: He was a astronomer,geographer, and a mathematician. He thought that the earth was in the middle of the universe. He invented the geocentric theory.
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1473-1543: He was an astronomer, mathematician, translator, artist, and physicist among other things. He believed that the sun was in the middle of the universe. The planets would orbit the sun.
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1546-1601: The Rudolphine Tables consist of a star catalogue and planetary tables. He would name in memory of Rudolph the second.
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1570-1619:Hans Lippershey, also known as Johann Lippershey or Lipperhey, was a German-Dutch spectacle-maker. He invented the telescope.
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1571-1630: Johannes Kepler was a German astronomer, mathematician, and astrologer. He is know for Kepler's laws of plantation. Kepler is a key figure in the 17th-century scientific revolution.
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1564-1642: He was known of all of his telescope discoveries, he is perhaps most known for his discovery of the four most massive moons of Jupiter. NASA made a mission to Jupiter and called it Galileo in his honor.
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1625-1712: He discovered the rings of Saturn. He also made Cassini's Oval. He was also known for his engineering.
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1643-1724: He is known for inventing his law of gravitation. He also made the Classical Mechanics.
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1738-1822: He is known for discovering Uranus and its 2 moons. He also formed a theory of stellar evolution.
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1855-1916: He founded the observatory in AZ Flagstaff. That is where they discovered Pluto. That was 14 years after his death.
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1905-1950: He was the first to find radio waves from the Milky Way. He made radio astronomy. He also built a radio telescope.
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1889-1953: He revolutionized the field of astrophysics. His research helped explain that the universe is expanding. He also made galaxies that were used for decades.
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1879-1955: He didn't work directly to make the atomic bomb. he also made the theory of relativity. He also made 1 out of 2 of modern physics.
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1957: Was the first artificial earth satelight. It orbited the earth for 3 weeks before its batteries died. It completed 1440 orbits.
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1873-1967: he created the Hurtzburg-Russell diagram.It is a scatter plot of stars showing the relationship between the stars' absolute magnitudes or luminosities versus their stellar classifications or effective temperatures.
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1934-1968: He was the first person to go to outer space. He completed an orbit of earth on the 12 of March 1961
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1921-2016: He was the first man to orbit the earth 3 times. He served from 1974-1999.
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1930-2012: Was the first person to walk on the Moon. His mission was Apollo 11, Gemnin 8.
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1963-1972: Was the third United States human spaceflight program carried out by the National Aeronautics and Space Administration. That also succeeded the Moon landing of 1969-1972.
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The Space Shuttle program was the fourth human spaceflight program carried out by the National Aeronautics and Space Administration. They are the ones that accomplished the Space Routine Transportation.
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It was designed as a technology demonstration of a new way to deliver an instrumented lander and the first-ever robotic rover to the surface of the red planet.
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Space Agency to send a probe to study the planet Saturn and its system, including its rings and natural satellites.
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A reflector telescope uses two mirrors instead of two lenses.A refracting telescope is a type of optical telescope that uses a lens as its objective to form an image.
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A super cluster is a large group of smaller galaxy clusters or galaxy groups, it is among the largest-known structures of the cosmos(That is what it is).