-
322 BCE
aristotle
384-322 BC -earth is round- we are center of universe- sun moon stars rotate around us on clear "shells" -
190 BCE
hipparchus
measured the distance from the Earth to the Moon during a solar eclipse that was a total eclipse at Syene and a partial eclipse at Alexandria.- -
127
Ptolemy,
he thought the earth was the center of the universe, or geocentric model -
Feb 19, 1473
copernicus
was an astronomer, mathematician, translator, artist, and physicist among other things. -
1546
tyco brahe
the first competent mind in modern astronomy to feel ardently the passion for exact empirical facts. -
Hans lippershey
he is commonly related to the telescope -
Johannes Kepler
He is best known for his laws of planetary motion, based on his works Astronomia nova, Harmonices Mundi, and Epitome of Copernican Astronomy. he was Tycho Brahe assessment -
gallieo
he found IO Callisto Ganymede European which are Jupiter 4 moons. he did not, against popular belief, discover the telescope -
reflecting telescope
uses mirrors instead of glass. -
giovanni cassini
determined the distance from Earth to Mars and made successful measurements of longitude. -
sir Isaac Newton
laws of motion. using others work he invented the reflected telliscope. -
william herschel
Herschel constructed his first large telescope in 1774, after which he spent nine years carrying out sky surveys to investigate double stars. . He also discovered the tech we use for infrared scanning. -
refracting telescope
it uses clear lenses to maginafy the stars, moon, etc. -
ejnar hertzprung
In 1913 he determined the distances to several Cepheid variable stars.In this determination he made a mistake, possibly a slip of the pen, putting the stars 10 times too close. -
Percival Lowell
the Lowell observatory.he was obsessed with his work so he dragged a chair and table into his observatory. he also died here in Arizona! -
Karl jansky
At Bell Telephone Laboratories Jansky built an antenna designed to receive radio waves at a frequency of 20.5 MHz. It was mounted on a turntable that allowed it to be rotated in any direction, earning it the name "Jansky's merry-go-round". It had a diameter of approximately 100 ft. and stood 20 ft. tall. By rotating the antenna on a set of four Ford Model-T tires, the direction of a received signal could be pinpointed. -
edwin hubble
he discoverd that the universe is explanding -
Albert Einstein
who developed the theory of relativity? none other that Mr. Albert Einstein. He continued to deal with problems of statistical mechanics and quantum theory, which led to his explanations of particle theory and the motion of molecules. -
sputnik
sputnik is an satellite that was launched by the soviet union. it moves at a speed of 1800 miles per hour. it is able to rotate the earth every 96 minuets. -
Period: to
Apollo Missions
1961-1968 /// unmanned missions.
1963-1966/// escape pod tests
1967-1972/// maned missions -
First space shuttle flight
it was the apollo 1. -
Yuri Gagarin ( Ю́рий Алексе́евич Гага́рин )
He was the first human to journey into outer space when his Vostok spacecraft completed an orbit of the Earth on 12 April 1961. -
Mars pathfinder expedition
i was NOT able to find anything on this -
cassini orbiter
was invented by none other than Giovanni Cassini, hence, the name. it spent 6 years, 261 days in route to Jupiter. -
Neil Armstrong
the first man on the moon. -
John Glenn
i only found a US seneter by this name. -
Space X Falcon Heavy
it was launched 15 mins after we got out of school.
