Unit 6 Space Vocabulary

A chunk of frozen gases, rocks, ice, and dust

• Comet
• Astorid
• Solar System
• Planet

A huge ball of very hot, glowing gases in space that produces its own light and heat

• Comet
• Star
• Solar System
• Planet

A group of billions of stars, objects that orbit those stars, gas and dust

• Galaxy
• Star
• Dwarf Planet
• Planet

A nearly round body, slightly smaller than a planet, whose orbit crosses the orbit of another body.

• Galaxy
• Star
• Dwarf Planet
• Planet

A star and all the planets and other objects that revolve around it .

• Galaxy
• Star
• Dwarf Planet
• Solar System

Everything that exists, including galaxies and everything in them

• Universe
• Star
• Dwarf Planet
• Solar System

A chunk rock or iron objects that orbit the sun

• Universe
• Astorid
• Dwarf Planet
• Solar System

A large, round body that revolves around a star

• Universe
• Astorid
• Planet
• Solar System

The study of objects in space and their properties

• Universe
• Astorid
• Planet
• Astronomy

A large natural object that orbits, or travels around Earth

• Universe
• Moon
• Planet
• Astronomy