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The History of Asronomy

  • 384 BCE


    He was a Greek philosopher. Proved that the earth was spaerical and that everything does not revive around them thought and that the earth was the center of the universe.
  • 220 BCE

    Mariner's Astrolabe: What is it and how it is used

    Mariner's Astrolabe: What is it and how it is used
    also called sea astrolabe is used to deter man
    the latitude of a ship at sea .
  • 190 BCE


    He is considered the founder of trigonometry but is most famous for his incidental discovery of precession of the equinoxes.
  • 100


    His thory was that the earth was the center of the universe.
  • Feb 14, 1473


    who formulated a model of the universe that placed the Sun rather than the Earth at the center of the universe.HE did this to prove that the sun was the center of the universe. invernter of the scintic method.
  • 1546

    Tycho Brahe

    Tycho Brahe
    writer known for his accurate and comprehensive astronomical and planetary observations.he was one of the individuals whose work helped overturn that belief in favor of a heliocentric model of the universe, with the sun at the center.
  • 1564


    GAlileo studied the moons around jupiter. plosito ,lio,
  • 1570

    hans lipppershey

    hans lipppershey
    was a German-Dutch spectacle-maker. He is commonly associated with the invention of the telescope, because he was the first one who tried to obtain a patent for it.
  • 1571

    johannes kelper:

    johannes kelper:
    He was an astronomer who discovered three major laws of planetary motion, conventionally designated as follows the planets move in elliptical orbits with the Sun at one focus the time necessary to traverse any arc of a planetary orbit is proportional to the area of the sector between the central body and that arcand there is an exact relationship between the squares of the planets’ periodic times and the cubes of the radii of their orbits.
  • Refraction Telescope

    Refraction Telescope
    A telescope that uses a converging lens to collect light.
  • sir isaac newton

    sir isaac newton
    known for developing the calculus and for his law of gravitation and his three laws of motion.
  • giovanni cassini

    giovanni cassini
    Discovered the moons around satern He also designated Saturn IV.
  • wiiam herchel

    wiiam herchel
    He constructed a reflecting telescope, which led to his discovery of the planet Uranus two of its satellites, and two of the satellites of Saturn.
  • percival lowell

    percival lowell
    Astronomer who fueled speculation that there were canals on Mars.
  • Ejnar Herschel

    Ejnar Herschel
    Classified types of stars by relating their color to their absolute brightness.He thought giant stars could exist.
  • albert einstien

    albert einstien
    He developed the theory of relativity, one of the two pillars of modern physics. His work is also known for its influence on the philosophy of science.
  • edwin hubble

    edwin hubble
    He played a crucial role in establishing the fields of extragalactic astronomy and observational cosmology and is regarded as one of the most important astronomers of all time.
  • karl jansky

    karl jansky
    He was a radio engineer who in August 1931 first discovered radio waves emanating from the Milky Way. He is considered one of the founding figures of radio astronomy.
  • John Glenn

    John Glenn
    He became the first American to orbit the Earth, circling it three times.
  • neil armstrong

    neil armstrong
    First american to walk on the moon. (American)
  • Sputnik

    The importance of sputnik to the U.S in the midst of the cold war,Russia was successful in launching the first satellite into space it orbit earth. It was important because it began the Race to space.
  • apollo Missions

    apollo Missions
    The Apollo program was designed to land humans on the Moon and bring them safely back to Earth.
  • yuri gagarin

    yuri gagarin
    First human (soviet) to orbit earth.
  • The Apollo program

    The Apollo program
    Was the third United States human spaceflight program carried out by the National Aeronautics and Space Administration and which accomplished landing the first humans on the Moon from 1969- 1972.
  • First Space Shuttle Flight

    First Space Shuttle Flight
    NASA sent this to space for the first time.
  • mars pathfinder expedition

    mars pathfinder expedition
    After an uneventful journey, the spacecraft safely landed on the surface of Mars on July 4, 1997. Its landing on the Ares Vallis plain was confirmed at 1:07 p.m
  • Cassini orbiter

    Cassini orbiter
  • spaceX falcon heavy