Astronomers
First astronomer to consider the heliocentric theory.
Nicolaus Copernicus
Also called____________.
Terrestrial planets
Contains 52 rings and is known for its 7 major rings.
Saturn
Theory in which the sun is at the center of our solar system.
Heliocentric theory
Named after the fleet-footed messenger.
Mercury
Earth at the center of our solar system.
Ptolemy
Twin's earth?
Venus
Call it the blue planet due to its atmosphere, mainly methane.
Neptune
Gravity motion law.
Sir Isaac Newton
Discovered two of the major rings. (hint astronomer)
Jean Dominique Cassini
Dating of the geocentric theory.
140 C.E.
Mostt likely planet to have future life as we know it.
Mars
Sideways rotation due to an impact with an asteroid.
Uranus
Mainly carbon dioxide and carbon monoxide atmosphere.
Venus
Enceladus is close to this particular ring of Saturn.
E ring
Precise mathematical calculations and the earth at the center of the solar system.
Tycho Brahe
Planet that consists of a thin atmosphere.
Mercury
Red Spot for more than 500 years.
Jupiter
Oasis in space.
Earth
According to how they were discovered, Saturn's rings
C, B, A, D, E, and F
Planetary motion discovered by_____________.
Johannes Kepler
Contains five layers of an atmosphere.
Earth
Dwarf planet back into our solar system.
Pluto
Olympus Mons-shield volcano.
Mars
In 1781 Uranus was discovered by___________.
William Herschel