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Aristotle 384-322 BC he proved that earth is round and that was in the center of the universe.
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100-170 AD Ptolemy was an astronomer and mathematician. He believed that the Earth was the center of the Universe. The word for earth in Greek is geo, so we call this idea a "geocentric" theory.
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190-120 BC he was the founder of trigonometry.
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He put up a theory that the sun is near the center of the universe and that the Earth is spinning on its axis daily.
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He was one of the individuals who helped to make the heliocentric model of the universe
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he was part of the making of the telescope he was the first to try to obtain a patent for it.
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The difference between a refracting and a reflecting telescope is in their optical construction. The refracting telescope uses a system of lenses to refract light rays, while a reflecting telescope uses a system of mirrors to reflect light rays. Reflectors are usually used to view brighter stars and planets.
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The difference between a refracting and a reflecting telescope is in their optical construction. The refracting telescope uses a system of lenses to refract light rays, while a reflecting telescope uses a system of mirrors to reflect light rays. Reflectors are usually used to view brighter stars and planets.
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he worked with Brahe . He made a large discovery. He discovered that the planets are Ovals.
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he was known for the telescope person. 4 moons of jupiter proved that not everything in the sky revolves around the Earth. Stars not fixed to celestial sphere. Discovered sunspots.
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he discovered that the earth moves on its axis so it doesn't exactly move exactly.
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he made the reflecting telescope.
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Herschel performed a simple experiment determining the temperature of the different colors of sunlight passed through a prism.
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He founded the Lowell Observatory in Flagstaff, Arizona and formed the beginning of the effort that led to the discovery of Pluto 14 years after his death.
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radio waves are emanating from space. Radio waves are the longest type of energy waves.
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His discovery in the 1920s that there was a milky way and many other galaxies.
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He developed the famous equation E=mc2 that helped astronomers to find how much energy there is in a star.
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the first satellite was launched into space.
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the first human to orbit Earth 108 minutes. He was Russian.
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he was the U.S. Citizen to orbit Earth 3X.
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he created the Hertzsprung Russell diagram. It was basically defining colour.
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first man to walk on the moon
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It was a program made for humans to get on the moon safely.
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shot like a rocket and land like a plane.
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was the second of NASA's low-cost planetary Discovery missions to be launched. The mission consists of a stationary lander and a surface rover.
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it was the froth space probe to visit saturn and the first to enter its orbit.
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Falcon Heavy' is a partially reusable super heavy-lift launch vehicle designed and manufactured by SpaceX.
