Space exploration

By bk19374

  • space 1609

    Galileo uses telescope for astronomical purposes. He discovers 4 Jovian moons, the Moon's craters and the Milky Way galaxy. (italy) Kepler's First and Second Laws of Planetary Motions are announced.
    (Germany)

  • newton 1668

    The first reflecting telescope was built by Newton.
    (England)

  • 1675

    1675 A.D. France While in Paris, Danish astronomer Ole Romer measures the speed of light.

  • 1705

    1705 A.D. England Halley correctly predicts the return of a comet (Halley's comet) in 1758.
    1758 A.D. Germany Johann Palitzsch observes Halley's comet as predicted by Halley in 1705.

  • 1781

    1781 A.D. England The discovery of Uranus by Herschel
    1781 A.D. France Messier discovers galaxies, nebula and star clusters while looking for comets. He compiles a catalogue of these objects (Messier objects).

  • 1930

    1930 A.D. U.S.A. Clyde Tombaugh discovers Pluto.

  • radio telescope

    1937 A.D. U.S.A. First radio telescope built by Grote Reber.

  • 1957

    1957 A.D. Russia Sputnik, first object to orbit the Earth, launched by the Russians.

  • 1958

    1958 A.D. U.S.A. Explorer 1 launched. This was the first U.S. satellite to orbit the Earth.

  • 1961

    1961 A.D. Russia Yuri Gagarin becomes the first man in space!

  • non crash

    1966 A.D. The Moon First non crash landings on the Moons by Luna 9 (Russian) and Surveyor I (U.S.A.)

  • red planet landing

    1997 A.D. Mars Mars Pathfinder lands on the Red Planet.

  • water on mars

    2000 A.D. Mars New evidence found for water on Mars.

  • mount wilson

    1905 A.D. California Mount Wilson Observatory was established for study of the Sun.