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140
Ptolemy
He theorized that the Earth was the center of the universe, and that the other planets and the sun revolved around the Earth. Geocentric. -
Period: 140 to
Famous Science Events
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Period: 140 to
FUN FACTS ABOUT SPACE!!!!!! :D
FUN FACTS!!!
. Pionner 10 was the first spacecraft to leave the solar system
. Skylab was an orbiting research lab
. Viking I had an orbiting probe and lander
. the Voyager space probe expanded our understanding of the othe planets.
. John Glenn ?: Freindship 7 first American flight
. Columbia was the first space shuttle flight.
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May 4, 1543
Copernicus
He theorized that the Sun waa the center of the universe and the Earth revolved around the Sun along with other planets. Heliocentric! -
Kelper
He stated that the planets revolve around the Sun in a elliptial orbit. Kelper also theorized this laws ofbplanetary motion that are still used today. -
Galileo
He used a telescope to observe objects in space including craters and mountains on the moon and sunspots on the Sun -
Newton
He showed that all objects attract each other due to gravity, explaining why one object orbits another -
Hubble
He provedthat other galaxies beyond the Milky Way, and that the universe is much larger than our own galaxy -
The Space Race
The united Stares and the Soviet Union competed with each other on who will go up to space first. -
Sputnik I
Russia launched the first artificial satelilte, Sputnik I -
Yuri Gagarin
A Russian cosmonaut became the fisrt human to orbit Earth -
Alan Shepard
He few aboard "Freedom 7"capsule, part of NASA"s Mercury Mission. -
Gemini
I was durring the Gemini that the American astronaunts fisrt walked on the moon. -
Saturn V
To go to the moon NASA built the "Sauturn V" rocket. -
Apollo 11
I was the fisrt mission to land peole on the moon :D -
Arstotle
He belived tthe universe was Geocentric. He theorized that the stars we see are other suns far away and that our sun is much larger than Earth, its just far away
