space exploration

  • Sputnik 1

    sputnik 1 was launch by Soviet Union
  • first human in space

    Yuri A. Gagarin became fist man in space
  • John Glenn orbits earth

    John Glenn became first man to orbit Earth
  • project Gemini

    the second step toward reaching the moon
  • Apollo

    Neil Armstrong becomes first man to walk on moon
  • Pioneer 10

    one of the first space probes launched into space