Space exploration timeline

By Ck20325
  • First telescope built by Galileo

    First telescope built by Galileo

  • First time Galileo looked into the sky

    First time Galileo looked into the sky

  • First reflecting telescope built by Sir Isaac Newton

    First reflecting telescope built by Sir Isaac Newton

    A reflecting telescope has a concave mirror
  • First flight to exceed three times the speed of light

    First flight to exceed three times the speed of light

  • First close up image of Mars

    First close up image of Mars

  • The USSR launched Sputnik 1

    The USSR launched Sputnik 1

  • Explorer 1 was the first satellite launched by the United States

    Explorer 1 was the first satellite launched by the United States

  • A soviet cosmonaut became first human in space and in orbit

    A soviet cosmonaut became first human in space and in orbit

  • Russian cosmonaut yuri Gargin became first human in space

    Russian cosmonaut yuri Gargin became first human in space

  • First men were on the moon

    First men were on the moon

    The first men on the moon were Niel Armstrong and Buzz Aldrin
  • Columbia became the first space shuttle to be launched

    Columbia became the first space shuttle to be launched

  • Astronaut Bruce Mccanales became first man to take a untethered space walk

    Astronaut Bruce Mccanales became first man to take a untethered space walk

  • The space shuttle challenger disintegrated in mid-air

    The space shuttle challenger disintegrated in mid-air

  • First telescope in space: the Hubble telescope

    First telescope in space: the Hubble telescope

  • The space endeavor made the first servicing mission on the Hubble space telescope

    The space endeavor made the first servicing mission on the Hubble space telescope