Space exploration

By Trinbean2020

  • First Telescope

    Galileo Galilei built the first "true" telescope to study space.

  • First Reflector Telescope

    Sir Isaac Newton built the first reflector telescope.

  • Theory Of Universal Gravitation

    Issac Newton published the Theory of Universal Gravitation. This was the beginning of modern astronomy.

  • First Star Clusters Found

    Charles Messier discovered the globular cluster. Later he discovered other galaxies, nebulas, and star clusters.

  • First Asteroid

    Guisseppe Piazzi discovered the first asteroid known as Ceres.

  • Theory of Relativity

    Albert Einstien came up with the theory of relativity which explains physics, space, and time.

  • Liquid Fuel

    The first rocket was launched using liquid fuel.

  • First radio Telescope

    Grote Reber invented the first radio telescope

  • First Man-made Object In Space

    The V-2 missle was launched making it the first man-made object in space.

  • Sputnik 1

    Sputnik 1 was the first artifical sattelite in space.

  • NASA

    NASA(stands for National Aeronautics and Space Administration) was formed in the U.S.

  • First man in space

    Yuri Gagarin was the first man to enter space.