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Born in 384 BC and died in 322 BC, proved the earth was spherical, that it was the center of the universe, and sun the moon and the stars rotated around the earth.
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Born in 190 BC and died in 120 BC, discovered the precession of the equinoxes, calculated the length of the year to within 6 1/2 minutes, compiled the first known star catalog, calculated the difference between the earth and the moon, and made an early formulation of trigonometry.
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born in 100 AD and died in 170 AD, ancient astronomer, geographer, and mathematician who considered the Earth the center of the universe.
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born Feb. 19 1473 and died May 21, 1543 ,Nicolaus Copernicus was a Polish astronomer who put forth the theory that the Sun is at rest near the center of the Universe(Heliocentric), and that the Earth, spinning on its axis once daily, revolves annually around the Sun.Father of the scientific method
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born December 14, 1546 and died Oct. 24, 1601, Alchemist, astrologer, astronomer, supporter of the geocentric theory of the solar system, and made accurate observations of planetary positions.
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made in 1608 by Hans Lippershey and it uses two lenses unlike the reflecting telescope.
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1570-1619, a dutch eyeglass maker that was associated with the invention of the telescope cause he’s the first to obtain a patent. His telescope was 3x.
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born in 1571 and died in 1630 was a german astronomer that discovered three major laws of planetary motion, and worked w/ Brahe. Discovered that the orbits of the planets are not circular but oval.
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Feb. 15 1564 and died Jan. 8 1642, from Italy Italian Polymath that discovered Jupiter’s moons Lo, Europa, Ganymede, Callisto. He was a central figure transition from natural philosophy to modern science. One of the first telescope makers. Discovered stars aren’t fixed to shells, and discovered sunspots.
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made in 1668 by Isaac Newton , and was different from the refracting telescope because it used two mirrors instead of two lenses.
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born in 1625 died in 1712 was an Italian that discovered the Cassini Division which was the dark gap between Saturn’s a and b rings, also the four of Saturn’s moons, and was one of the first to record observations of the zodiac light.
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born in 1642 and died in 1727, three laws of motion, invented the reflecting telescope.
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1738-1822 Discovered Uranus and its moons, 2 more of Saturn’s moons, believed he found polar ice on mars leading to the studies hoping to find water on mars. He determined the temperature of colors.
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1855 - 1916, discovered the planet Pluto and studied the canalis on mars. Built the Lowell observatory in Flagstaff, AZ to study Mars.
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1905-1950 Discovered radio waves are coming from earth.Radio waves are the longest types o.f energy ways
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1889-1953 using the color of star, discovered that the universe is expanding. Hubble’s law, galaxies are moving away from each other. Basis of the big band theory.
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1957 October, 4 7:28 The importance of sputnik to the U.S. In the midst of the cold war, Russia was successful in launching the first satellite into space to orbit Earth. Putting the Soviet Union ahead of the U.S. Science & space travel became a new priority for the U.S. and the educational system. In 1958 president Dwight Eisenhower created NASA Begins “The Space Race”
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1961 First human to orbit earth 108 minutes.
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1961- 1972 Designed program to bring them to the moon and make sure they get back.
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1921- 2016 (1962)- 1st U.S. Citizen to orbit Earth 3x
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1873- 1967 Danish chemist and astronomer, born in Copenhagen, Denmark.
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1969 walks on the moon. Apollo 11 was the spaceflight that landed the first two humans on the moon. Mission commander Neil Armstrong and pilot Buzz, Aldrin, both American, landed the lunar module Eagle on July 20, 1969.
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1981- Launched straight up, detaches and when comes down lands like a plane
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1996-Launched Dec.4, 1996 than landed July, 4 by NASA and costed 150 million dollars, and it was an american robotic spacecraft that landed on mars in 1997.
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Oct.15 1997- sep.15 2017, and was a collaboration between NASA, the European Space Agency, and the Italian Space Agency to send a probe to study the planet Saturn and its system, including its rings and natural satellitesAlso its named after Jean-Domenique Cassini, who discovered the Saturnian satellites Lapetus in 1671, Rhea in 1672, and both Tethys and Dione in 1684.
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Feb, 6 2018 Falcon Heavy is a partially reusable heavy-lift launch vehicle designed and manufactured by SpaceX.
