Space Exploration timeline

By username911101
  • 165 BCE

    Claudius Ptolemy

    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.
  • 165 BCE

    Geocentric

    Geocentric
    Claudius Ptolmey calculated that the Earth was the center of our solar system (Geocentric).

  • Galileo Galilei creates the first telescope

    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.

  • The first telescope is made

    The first telescope is made
    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

  • Issac Newton discovers gravity

    Issac Newton discovered/made gravity, the three laws of motion, the color spectrum and the caduceus.

  • The Russians launch a satellite

    In 1957, the Russians launch the first artificial satellite called Sputnik 1

  • Sputnik 1

    Russians launch the first artificial satellite called sputnik 1

  • US satellite

    The Americans launch their first satellite called the Explorer 1

  • Explorer 1

    US launched their first satellite called Explorer 1

  • NASA launches a monkey

    NASA launches a chimpanzee called Ham into space aboard a Mercury rocket

  • NASA launches a monkey

    NASA launches a chimpanzee called Ham into space aboard a Mercury rocket.

  • Freedom 7

    Freedom 7
    The first American to launched into space aboard the Freedom 7.

  • Mariner 2

    NASA's Mariner 2 scans the face of Venus

  • First Space Walk

    Soviet cosmonaut Alexei Leonov makes the first space walk

  • Moon Landing

    The first moon landing by Soviet spacecraft Luna 9

  • Issac Newton

    Issac Newton discovered/made the three laws of motions, the colour spectrum and gravity.

  • The Mars Rovers

    The twin Mars exploration rovers called Spirit and Opportunity landed on Mars.

  • Exploration Rovers

    Twin Exploration Rovers known as Spirit and Opportunity land on Mars

  • Pluto

    Pluto is demoted to a Dwarf Planet

  • Mercury

    Mercury is 98% mapped

  • Water!!!

    Water is discovered on the moon