He studied the motion of Mars.
Laws of the Movement of the planets.
Tycho's assistant.
Ellipse-shaped orbits.
Astronomy Nova.
Sun spots.
He improved the telescope.
4 Moons of Jupiter.
Pendulum law.
Craters on the Moon.
He was born in Poland.
He formulated the heliocentric theory.
Commentariolus.
He died the day his book was published.
De revolutionibus orbium coelestium.
Mathematical principles of natural philosophy.
Relative masses of the Sun, Earth and other planets.
Newton's laws.
Law of universal gravitation.
Considered the most important scientist.
Galileo Galilei
J. Kepler
N. Copernicus
Isaac Newton