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He was born and died during Greek times. he proved that the earth was cervical
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Calculated the length of a year.came up with distance between the Earth and the moon
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Born 100 AD and he died 170 AD he was a astronomy and he believed that earth was in the middle of space
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Born 1473 and Died 1543 He created the a diagram where the sun was in the middle of space
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Born 1546 Died 1601 accurate most precise instruments
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Born 1570 Died 1619 Invented the telescope. 3x the telescope
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Born 1571 Died 1630.He was Tycho’s assistant. He discovered that the orbit of the planets are not circular but elliptical (oval).
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Born 1564 Died 1642 He discovered the first four moons Europa,Io,Ganymede and Callisto of Jupiter And born in Italy.He has evidence of the first telescope
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Born 1625 Died 1712 Italian who discovered the four moons of Saturn and he determined the distance from the Earth to the moon
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Born 1642 Died 1727 Further developed works of copernicus and kepler using math.Invented reflecting telescope 1668. 3 laws of motion
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Born 1738 Died 1822 Discovered the planet Uranus and he discovered saturn's moons.In 1800, Herschel performed a simple experiment determining the temperature of the different colors of sunlight passed through a prism. he noticed the region the visible spectrum, and used his measurements to deduce the presence of what is now known to be infrared radiation
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Born 1855 Born 1916 discovered the planet Pluto and studied the “canals”on mars.Built the Lowell observatory in Flagstaff,AZ to study Mars
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Born 1905 Died 1950 Discovered the radio waves are emanating from space.
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Born 1889 Died 1953 He used the color of the stars to figure out that the universe is expanding
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Born 1879 Died 1955 Theory of Relativity (1905) and gravitation
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Sputnik was a accomplish for the U.S. because the U.S. beat Russia this time
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First human to orbit Earth
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The Apollo was the third United States human spaceflight program carried out by the national Aeronautics and space administration and it accomplished landing the first humans on the moon
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Born 1873 Died 1967 Hr Diagram and magnitude means color
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Born 1921 Died 2012 He was U.S. person to walk on the moon and he walked on the moon in 1969
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Born 1921 Died 2016 1st U.S. Citizen to orbit Earth
