astronomy

By shebly_asher_
  • 1514 BCE

    copernicus

    copernicus
    copernicus (1625-1712)- Giovanni Domenico Cassini was an Italian mathematician,astronomer and engineer. discovered the Cassini Division, rings of moons of saturn's moons
  • 147 BCE

    Hipparchus

    Hipparchus
    Hipparchus -(1990 -120 bc) considered the founder of trigonometry but most famous for his incidental of precession of the equinoxes and he discovered the distance from the sun and moon
  • 138 BCE

    ptolemy

    ptolemy
    ptolemy-(100-170 AD) was a mathematician ,and an astronomer ,geographer
  • 384

    Aristotle astronomy

    Aristotle astronomy
    Aristotle astronomy- (384-322 bc) believed earth was round and it was in the center of the universe

  • kepler

    kepler
    kepelr (1594)Johannes Kepler was a German mathematician, astronomer, and astrologer. Kepler is a key figure in the 17th-century scientific revolution

  • Sir isaac newton

    Sir isaac newton
    Sir isaac newton-(1642-1727)-3 laws of motion , further developed works of copernicus and kepler

  • Cassini orbiter

    Cassini orbiter
    Cassini orbiter -(1675)Huygens mission, commonly called Cassini, was a collaboration between NASA,

  • William herschel

    William herschel
    William herschel -(1738-1822)-discovered the planet uranus and its moons he also discovered 2 more of saturn's he determined the temperatures of color

  • Ejnar hertzsprung

    Ejnar hertzsprung
    Ejnar hertzsprung (1873-1976) was a Danish chemist and astronomer, was a Danish chemist and astronomer

  • Percival lowell

    Percival lowell
    Percival lowell-(1855-1916)-discovered the planet pluto and studied the “canals on mars . he built the lowell observatory

  • Albert einstein

    Albert einstein
    Albert einstein (1879-1955)theoretical physicist who developed the theory of relativity, one of the two pillars of modern physics.

  • Edwin hubble

    Edwin hubble
    Edwin hubble-(1889-1953)-. He played a crucial role in establishing the fields of extragalactic astronomy he regarded as one of the most important astronomers of all time.and the expansion of the universe

  • Karl jansky

    Karl jansky
    Karl jansky -(1905-1950)-He built an antenna and he discovered the radio waves emanating from space he also discovered elliptical (that the planets orbit a oval not a perfect circle )

  • sputnik

    sputnik
    sputnik-(1957)-russia sent the first satellite put into space this also changed it educating and using more in math and science

  • Yuri gagarin

    Yuri gagarin
    Yuri gagarin-(1961) first human (soviet) to orbit the earth 108 minutes

  • John glenn

    John glenn
    John glenn-(1962)first u.s. Citizen to orbit earth 3x

  • Neil armstrong

    Neil armstrong
    Neil armstrong -(1969)-first person to step on the moon

  • Apollo missions

    Apollo missions
    Apollo missions -(1963-1972)-to land people on the moon and bring them back

  • First space shuttle flight

    First space shuttle flight
    First space shuttle flight -(1981) the name of it was columbia when the space shuttle goes up it breaks apart then when it comes down it lands like an airplane

  • Mars pathfinder exoedition

    Mars pathfinder exoedition
    (1997) Mars Pathfinder was launched December 4, 1996 and It was designed as a technology demonstration of a new way to deliver an instrumented lander and the first-ever robotic rover to the surface of the red planet.

  • spaceX falcon heavy-

    spaceX falcon heavy-
    spaceX falcon heavy-(2018)Falcon Heavy is a partially reusable super heavy-lift launch vehicle designed