Astronomy History
Category: Outro
Atualizado: 7 nov 2019
Autores
Created by陈瀚可 Koke Cacao
Attachments
Eventos
Aristotle: Geocentric;
define "planet;"
earth as stationary center;
model planetary motion as perfect circles around the earth.Ptolemy: Geocentric; introducing deferents
and epicycles to describe Retrograde motion
with 80 circles;
failed to predict Mars' motion.Copernicus: Heliocentric;
first proposed a model replacing the stationary center of everything
but the moon from the earth to the sun based
on the assumption that the Universe is unbelievably large;
explain Retrograde motion as the result of the earth's motion;
general idea published in Latin against many authorities.Brahe: Geocentric;
collecting decades of data about accurate planetary motions.Galileo: Heliocentric; used a telescope to look into space;
discovered geographic features on the moon;
discover the rotation of the sun; discover 4 moons of Jupiter;
discover phrase of Venus; brought back Heliocentric models;
forced to retract theory by the Catholic Church.Kepler: Heliocentric;
used Brahe's data, based on Copernicus' model,
to solve Mars' Retrograde motion
and developed Kepler's laws of planetary motion.Newton: Heliocentric;
published Newton's law of
universal gravitation
to explain planetary motion.
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