Our Solar System

matter in the universe (such as a planet, star, or nebula) that can be considered as a single unit

• Celestial Body

• Dwarf Planet

• Comet

• Milky Way

the galaxy of which the sun and the solar system are a part and which contains all the  stars that create light.

• Kuiper Belt

• Milky Way

• Celestial Body

• Asteroid Bellt

The four planets closest to the sun (Mercury, Venus, Earth, Mars).  They are small and rocky

• Dwarf Planet

• Comet

• Gas Giant Planets

• Terrestrial Planets

The area beyond Mars made up of millions of chunks of rock and iron.

• Asteroid Belt

• Comet

• Celestial Body

• Kuiper Belt

The four planets farthest from the sun (Jupiter, Saturn, Uranus, Neptune).  They are large and made of gases.

• Celestial Body

• Comet

• Gas Giant Planets

• Terrestrial Planets

The disk-shaped zone beyond the gas giants made of icy objects

• Milky Way

• Kuiper Belt

• Asteroid Belt

• Dwarf Planet

a celestial body resembling a small planet but lacking certain technical criteria that are required for it to be classed as such.

• Terrestrial Planets

• Dwarf Planet

• Celestial Body

• Gas Giant Planets

Large chunks of rock and ice that orbit the sun.

• Comet

• Dwarf Planet

• Terrestrial Planets

• Gas Giant Planets

The idea presented by Ptolemy that states the Earth is the center of the universe and all celestial objects orbited the Earth​

​ (a)  

• Geocentric Theory
• Heliocentric Theory

 The idea presented by Copernicus and later proved by Galileo, that states the sun is the center of the universe and all celestial objects orbited the sun.

​ (a)  

• Heliocentric Theory
• Geocentric Theory