Space 1

Space Exploration

By Tonksiboi
  • 2000 BCE

    First solar-lunar calendar was created

    First solar-lunar calendar was created
  • 280 BCE

    Aristarchus suggests the Earth revolves around the sun and estimates Earth-Sun distance

    Aristarchus suggests the Earth revolves around the sun and estimates Earth-Sun distance

  • Einstein introduces the Theory of Relativity

    Einstein introduces the Theory of Relativity

  • Russians launch first official satellite, Sputnik 1

    Russians launch first official satellite, Sputnik 1

  • NASA launches a chimpanzee named Ham into space aboard a Mercury Rocket

    NASA launches a chimpanzee named Ham into space aboard a Mercury Rocket

  • First moon landing (by Soviet spacecraft Luna 9)

    First moon landing (by Soviet spacecraft Luna 9)

  • US astronaut Neil Armstrong becomes the first person to walk on the moon

    US astronaut Neil Armstrong becomes the first person to walk on the moon

  • Space shuttle Challenger explodes during launch, killing all 7 crew members

    Space shuttle Challenger explodes during launch, killing all 7 crew members

  • Twin Mars Exploration Rover missions Spirit and Opportunity land on Mars

    Twin Mars Exploration Rover missions Spirit and Opportunity land on Mars

  • Astronauts took their first bites of space lettuce

    Astronauts took their first bites of space lettuce

  • Ice was discovered on Mars in large quantities

    Ice was discovered on Mars in large quantities

  • Scientists found several planets the same size as Earth, all of which may be capable of supporting life

    Scientists found several planets the same size as Earth, all of which may be capable of supporting life