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322 BCE
Aristotle
Aristotle made contributions to logic Metaphysics,mathematics,physics, biology and way more. He was a student of Plato in return Aristotle studied under socrates. -
168
Ptolemy
Ptolemy was an astronomer and mathematician, he believed the earth is the center of the universe, he combined the stars with mathematics he predicted the movements of the planets and for his prodiction to be true,he would " work out the planets must move in epicycles,smaller circles, and the earth itself moved along the equatent. -
1543
Copernicus
Copernicus studied mathematics and astronomy he visited Italy and he visited Rome and got an education at Padua and Ferrara. He went Krakow Academy and in 1476 he traveled to Italy to study law. -
Tycho Brahe
Tycho turned from astronomy to law," the new star in the constellation Cassiopeia had caused Tycho to rededicate himself to astronomy,one immediate decision was to establish a large observatory for regular observations of celestial events. -
Hans Lippershey
Hans Lippershey was a Dutch inventor in 1570 he moved to a prosperous city of middleburg. He became a mster at art and was called Lens Grinder. -
Johannes Kepler
Johannes Kepler was a German astronomer,mathematician,and astrologer,he was known for his "laws of planetary motion,conventionally desighned as followed 1 the plants move in elliptical orbits the sun with one focus, 2 the time neccessary to traverse any arc of a planetary orbit is proportional to the area of the sector between the central body, and 3 there is an exact relationship between the squares and planets." -
Galileo
Galileo was an Italian astronomer he was a physicst and engineer, Galileo went to Pisa university to study medicine. His theory was that the earth and all the planets revolve around the sun,in 1632 he published a book that stated that the Heliocentric theory of Copernicus was correct. -
Refracting and reflecting
Refracting- a ray of light that changes direction when it enters at an angle.
Reflecting- of a mirror or shiny surface without absorbing it. -
Giovanni Cassini
Cassani was an Italian mathematician,astronomer,and engineer,he was educated at Vallebone he entered the Jesuit college at Genoa where he studied under casselli. -
Sir Isaac Newton
He was an english mathematician,physicist,astronomer,and theologian. -
william Herschel
He was an astronomer and composer he studied in Robert smiths Harmonics, he was determined to study the celestial bodies. -
Percival Lowell
He was a American buisnessman, author, mathematician, and astronomer. He built an obsorvatory in 1894 because when the red plant drew closest to earth. -
Karl Jansky
He was an American physicst and radio engineer, he made the discovery of the radio waves coming from the center of our milky way galaxy. He built a 100 foot diameter dish. -
Edwin Hubble
He was an American astronomer, till 1907 to 1910 he studied mathematics, astronomy, and philosophy at the university of Chicago. -
Albert Einstein
He was a German theoritical physicst, in 1901 he earned his diploma in 1905 he got his doctors degree and in 1909 he became a professer. In 1914 he became the directer of Kaiser. -
Sputnik
He was the first artificial earth satalite it was the size of a beach ball 58 cm and 22.8 in,the launch assured in the millitary, technological, and scientific developments. -
Yuri Gagarin
He was a soviet pilot and cosmanaut he was one of the first people to go into outer space. It lasted 108 minutes to travel around the earth once he reached a maximum height of 203 miles. -
John Glenn
He was a united states marine Corps aviator, engineer, astronaut, buissinesman and politician. In 1921 he attended primary and secondary schools in New Concord,he recieved a bachelor degree in engineering from muskingum college in New Concord. -
Ejnar Hertzsprung
He was a Danish chemist and astronomer, he studied chemical engineering and in 1901 he became an independant astronomer. 1919 to 1944 he worked at the Leiden observatory in the Netherlands. -
Neil Armstrong
He was an american astronaut, aeronautical engineer who was the first person to walk on the moon, he joined NASA in 1962 and was command pilot for his first mission. -
The Apollo Program
It was known as Project Apollo,it was the third united states human spaceflight it was designed to bring people on the moon and bring them back safely to earth the had 6 missions 11, 12, 14, 15, 16, and lastly 17. -
First space shuttle flight
It was the fourth human spaceflight program and carried out by the national Aeronautics and space administration,it accomplished routine transportation for earth to orbit crew and cargo from 1981 to 2011. -
Mars Pathfinder Exposition
In 1996 landed on Mars it was a designed as a technology of a new way to deliver the instrumented lander. -
Cassini orbiter
A spacecraft made its final approach to Saturn, it was one of the most ambitious missions ever launched to space, with array and cameras. -
Current astronomy event
“Mars size body bring life essential elements to earth”
“Collision with a mars size body the same body thought to have formed the moon.
