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Claudius Ptolmey, a Roman philosopher calculated that the solar system was Geocentric, which means that the rest of the planets and the sun revolved around the Earth.
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Claudius Ptolmey calculated that the Earth was the center of our solar system (Geocentric).
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In 1609, Galileo Galilei created the first working telescope and pointed it at he night sky. He discovered the craters on the moon, discovered four of Jupiter's largest moons and proposed the idea of a heliocentric solar system.
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Galileo Galilei created the first working telescope and discovered the craters on the moon, the four biggest moons on Jupiter and that our solar system was heliocentric
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Issac Newton discovered/made gravity, the three laws of motion, the color spectrum and the caduceus.
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In 1957, the Russians launch the first artificial satellite called Sputnik 1
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Russians launch the first artificial satellite called sputnik 1
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The Americans launch their first satellite called the Explorer 1
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US launched their first satellite called Explorer 1
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NASA launches a chimpanzee called Ham into space aboard a Mercury rocket
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NASA launches a chimpanzee called Ham into space aboard a Mercury rocket.
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The first American to launched into space aboard the Freedom 7.
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NASA's Mariner 2 scans the face of Venus
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Soviet cosmonaut Alexei Leonov makes the first space walk
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The first moon landing by Soviet spacecraft Luna 9
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Issac Newton discovered/made the three laws of motions, the colour spectrum and gravity.
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The twin Mars exploration rovers called Spirit and Opportunity landed on Mars.
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Twin Exploration Rovers known as Spirit and Opportunity land on Mars
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Pluto is demoted to a Dwarf Planet
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Mercury is 98% mapped
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Water is discovered on the moon
