History of Space Exploration

By Cave_Warrior
  • 100

    Aristotle

    Aristotle creates the idea of a geocentric universe
    (Real date; ???? B.C.)
  • 100

    365-day calendar

    Ancient Egyptians invent the 365-day calendar
    (Real date; 2730 B.C.)
  • 140

    Ptolemy

    Ptolemy makes the geocentric belief go mainstream
  • Jan 1, 1543

    Copernicus

    Copernicus believes in a helio-centric universe
    (If the Date is 1 Jan, i don't know the exact day and/or month

  • Hans Lippershey

    Hans Lippershey invents the very first telescope

  • Galileo

    Galileo introduces the telescpoe

  • Newton

    Newton discovers Gravity and Inertia

  • Uranus

    William Herschel discovers Uranus

  • Stellar Interferometer

    First stellar interfereometer

  • Hubbles Law

    Edwin Hubble discovers Hubbles Law, meaning the Universe grows daily
    (Day and Month Unkown

  • Sputnik 1

    Soviet Union launches the Sputnik 1, it is the first artificial satilite
    launched

  • Sputnik 2

    Sputnik 2 has a dog named Laika (Muttnik) and is the first iving being in space

  • First American Satelite

    First American Satelite is launched

  • NASA

    NASA is founded

  • Luna 1

    Soviet Union launches Luna 1, and discovers the moon has no magnetic field

  • Luna 2

    Luna 2 Crashes into the moon and is the first lunar "landing"

  • Luna 3

    Luna 3 sends photos of the Moon to Earth

  • Ham in Space

    A chimpanzee named Ham is in Earths orbit

  • Yuri Gagarin

    Yuri Gagarin is the first human in space

  • Alan Shephard

    Alan Shepard is the first human in space

  • First SpaceWalk

    Alexey Leonov is the first person to walk in space

  • First American SpaceWalk

    The first Ameriscan walks in Space
    (Day Unkown)

  • Mariner 4

    The mariner 4 orbits Mars

  • Star Trek

    Satr Trek televison series debuts

  • Venera 4

    The Venera 4 lands on Venus

  • Apollo 8

    The Apollo 8 is the first manned mission to orbit the moon

  • Apollo 11

    The Apollo 11 lands men on the moon

  • Pioneer 10

    The Pioneer 10 is launched and gets the closest to Jupiter on Dec 4, 1973

  • Viking

    The Viking lands on Mars

  • Voyager

    Voyager 1 explores Jupiter

  • Transisting Exoplanet

    The first Transisting exoplanet is observed

  • Pluto

    Pluto is actually a dwarf planet

  • I.S.S

    International space station is launched