This word means "earth-centered"
Geocentric
Smallest and closest planet to the Sun.
Mercury
This is the largest planet in our solar system
Jupiter
This dwarf planet was once the ninth planet until 2006.
Pluto
Small pieces of comets (rocks) that are floating around in space.
meteoroid
This word means "sun-centered
Heliocentric
This planet is called "Earth's twin"
Venus
This planet is known for its "Rings"
Saturn
The objects are often called "dirty snowballs" because they are made of rock and ice.
Comet
Meteoroids that are on fire as they are falling toward Earth
Meteor
This object is at the center of our solar system
The Sun
This is the trapping of heat by a planets atmosphere.
The Greenhouse Effect
This planet rotates on its side
Uranus
Large rocks that are orbiting the Sun
Asteroids
Meteoroid that has landed on Earth
Meteorite
An interstellar cloud of dust, hydrogen, helium and other ionized gases.
Nebula
This is the third planet from the Sun
Earth
This planet is the 8th planet from the Sun and has a bluish color.
Neptune
Large group of comets that surround our solar system
Oort Cloud
This is the largest asteroid in our solar system and is also a dwarf planet.
Ceres
German mathematician who discovered that the planet orbits were elliptical and that the Sun was not directly in the center of the orbits
Johannes Kepler
This planet is called the "Red Planet"
Mars
What gas give Neptune its bluish color? (Hint: it is the same gas that comes out of your stove)
Methane
Large never-ending storm on Jupiter.
The Great Red Spot
This planet has the largest volcano/mountain in our solar system.
Mars