Structure of the Universe Vocabulary

The collection of large and small bodies that orbit our central star, the sun.

• Solar System

• Planet

• Star

• Galaxy

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

NGSS.MS-ESS1-1

A spherical body that orbits the sun.

• Solar System

• Planet

• Star

• Galaxy

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

Is a large celestial body that is composed of gas and emits light.

• Solar System

• Planet

• Star

• Galaxy

A large collection of stars, gas, and dust that is held together by gravity.

• Solar System

• Planet

• Star

• Galaxy

Tags

NGSS.MS-ESS1-2

The distance that light travels through space in 1 year.

• Solar System

• Planet

• Star

• Light-year

Can be defined as space and all the matter and energy.

• Solar System

• Universe

• Star

• Light-year

Tags

NGSS.HS-ESS1-2