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140
Ptolmey
Ptolmey was the first to theorise about the planets orbiting a central object. His theory was that the Earth was at the center of the Solar System, this was called "Geocentric" Geo meaning Earth and centric meaning center. -
Period: 140 to
Space Exploration timeline
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May 4, 1543
Copernicus
He theorised that the sun was the center of the solar system. That everything revolved around the sun. Heliocentric,Helio meaning Sun and centric meaning center. -
Galileo Galilei
Galileo refined the telescope, he found four of Jupiter's moons, and made major discoveries that supported the Heliocentric view of space. -
First "Space Capable Rocket"
The first rocket/ missle capable to make it into space was launched ny Germany in 1942 -
The first rocket that was sent into space
The first rocket "sent" into space was the rocket that launched "Sputnik". The R-7 ICBM Rocket launched by Soviet Russia. -
Sputnik I
This was the first artificial sattelite into space, it took 98 minutes to orbit earth, and it marked the beginning of the U.S., U.S.S.R. space race. -
Mercury-Atlas 6
This was the first manned orbital mission, it completed 3 orbits, it was piloted by John Glenn.The mission took 4 hours 55 minutes and 23 seconds. -
Apollo 11
This was the first mission to the moon. Manned by Neil Armstrong, Buzz Aldrin, and Michael Collins. The trip took 8 days, 3 hours, 18 minitues, and 35 seconds. -
Aristotle
Aristotle believed the universe to be Geocentric too, but he also theorised that the sun and stars were much bigger than earth and that the orbits of all celestial objects were circular therefore able to continue that way infinitley
