Astronomer and Space Exploration

  • Jan 1, 1543

    January 1, 1543

    January 1, 1543
    Nicolaus Copernicus publishes a book called "On the Revolutions of Heavenly Spheres" and the book was about how the planets orbited the sun.
  • January 1, 1609

    January 1, 1609
    Galileo used a telescope to view the stars and planets for the first time.
  • January 1, 1668

    January 1, 1668
    Issac Newton publishes a book called " Mathematical Principles of Natural Philosophy", and it was about the foundation of the universal gravitation of the sun and planets.
  • January 1, 1801

    January 1, 1801
    Ceres was the first astroid and it was discovered by Giuseppe Piazzi.
  • March 16, 1926

    March 16, 1926
    Robert Goddard invented and launched the first liquid rocket.
  • November 19, 1942

    November 19, 1942
    The German V-2 rocket is the first rocket to enter space
  • August 21, 1957

    August 21, 1957
    Russia launches a satellite called Sputnik 1 which causes the Space War between the U.S and U.S.S.R
  • November 3, 1957

    November 3, 1957
    Russia sends the first animal into orbit and it is a dog.
  • April 12, 1961

    April 12, 1961
    Yuri Gagarin became the first human in space.
  • February 20, 1962

    February 20, 1962
    John Glenn is the first American to orbit Earth.
  • March 18, 1965

    March 18, 1965
    The first person to walk in space is a Russian cosmonaut named Alexei Leonov.
  • July 20, 1969

    July 20, 1969
    The Apollo 11 spacecraft landed on the moon, and Neil Armstrong became the first person to walk on it.
  • April 29, 1971

    April 29, 1971
    Russia launches the first space station, and it's called Salyut 1.
  • July 20, 1976

    July 20, 1976
    Viking 1 lands on Mars, and it sends information and pictures to help the U.S with research for the next 6 years
  • August 12, 1981

    August 12, 1981
    The first space shuttle is launched to space, and it is called the "Colombia".
  • January 1, 1986

    January 1, 1986
    The Mir space station is launched and remains active until 2001. It also inhabited astronauts, and orbited the Earth.
  • November 20, 1998

    November 20, 1998
    The International Space Station is put into space and remains active till today.