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384 BC - 382 BC the earth is round, center of the universe, and the sun, moon, and stars were attached to spheres and rotated around the earth.
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190 BC - 120 BC created first catalog of the brightness for the stars, measured the earth around the earth to the sun
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100 AD - 170 AD he was known for Greco - Roman mathematics, astronomer, geogratrologer, astrologer, geo means earth centered.
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1473 - 1543 - and Reformation Renaissance-era mathemation and astronomer who formulated a model of the universe that placed the sun rather than the earth at the center of the universe. Help means relating to the sun.
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1546 - 1601 a Danish nobleman astronomer, and he was one of the individuals whose work help overturn that belief in favor of a heliocentric model of the universe, with sun at the center
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The Refracting telescope was invented in 1608. A refracting telescope is a type of optical telescope that uses a lens as its objective to form an image. The refracting telescope design was originally used in spy glasses and astronomical telescopes but is also used for long focus camera lenses.
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1570 - 1619 He associated with the invention of the telescope. He was the first one who tried to obtain a patent for it. 3x.
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1571 - 1630 He was assistant and made a discovery. He discovered 3 major laws of planetary motion. Discovered that the orbit of planets are not oval’s!
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1564 - 1642 He was from Italy and he is a Scientists. His main moons were Lo, Europa, Ganymede, and Callisto. He discovered the sunspots, Turned toy into telescope, and Venus goes through phases similar to moon showing that both Earth and Venus orbit the Sun.
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1625 - 1712 born in Italy he was mathematician, ainaldo, near Imperia, astronomer and engineer. Cassini was born in Pert that time in the County of Nice, part of the Savoyard state.
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1643 - 1724 Further developed works of Copernicus and Kepler using math. Invented reflecting telescope 1668. 3 laws motion.
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1738 - 1822 Discovered the planet Uranus and its moons. He also discovered 2 more of Saturn’s Moons. In 1800 he performed a simple experiment determine the temperature of the different color of sunlight passed through to prism.
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1855 - 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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889 - 1953 Using the color of the stars, discovered the universe is expanding. Hubble’s Law, galaxies are moving away from each other.
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1889 - 1953 discover the radio waves are expanding from space. Radio waves are the longest type of energy waves
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1879 - 1955 a German-born theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics. His work is also known for its influence on the philosophy of science.
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1957 Oct 4 1957 importance of Sputnik to the U.S. In the midst of the cold water, Russia was successful in launching the first satellite into space to orbit Earth.
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1961 First human (Soviet) to orbit the earth 108 minutes.
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1873 - 1967 a Danish chemist and astronomer, born in Copenhagen, Denmark. In the period 1911–1913, together with Henry Norris Russell, he developed the Hertzsprung–Russell diagram.
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1963 - 1972 to make sure they get there and bring them back.
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1981 Space Shuttle Columbia was the first reusable spacecraft. Launch like a rocket and land like space.
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It was launched December 4th, 1996. It landed on Mars’ Ares Vallis in July 4th 1997. 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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1962 (1921 - 2016) 1st U.s. Citizen to orbit Earth 3X
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1969 (1921 - 2016) walks on 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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1997 - 2017. It was named Cassini Orbiter because ESA-developed Huygens probe, named for the Dutch astronomer, mathematician and physicist Christiaan Huygens.
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Launched in 2018. Falcon Heavy is a partially reusable heavy-lift launch vehicle designed and manufactured by SpaceX. It is derived from the Falcon 9 vehicle and consists of a strengthened Falcon 9 first stage
