Astronomy Vocabulary Review

Everything we can touch, feel, sense, measure or detect. It contains billions of galaxies which contain billions of stars and solar systems.

• Universe

• Galaxy

• Solar System

• Planet

A structure that consists of anywhere from hundreds to thousands of galaxies.

• Stars

• Solar Systems

• Galaxy

• Galaxy Clusters

A huge collection of gas, dust, and billions of stars and their solar systems, all held together by gravity.

• Universe

• Galaxy

• Solar system

• The Sun

Tags

NGSS.MS-ESS1-2

A group of planets, moons, and other objects in space that orbit or revolve around a large star.

• Universe

• Galaxy

• Solar System

• Planet

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

An object in space that:

- Must orbit (go around) a star

- Be large enough so that its own gravity molds it into a spherical shape

- Must have a clear path to orbit around the sun.

• Universe

• Galaxy

• Solar System

• Planet

Tags

NGSS.MS-ESS1-3

An object in space that orbits (goes around) a planet

• Star

• Planet

• Dwarf Planet (like pluto)

• Moon

Tags

NGSS.MS-ESS1-2

This image shows

• One galaxy

• Galaxy Clusters

• One planet

• One Solar System

Tags

NGSS.MS-ESS1-2

This image shows

• A Galaxy

• Galaxy Clusters

• A Solar System

• A Star

Tags

NGSS.MS-ESS1-2

This image shows

• One galaxy

• A galaxy Cluster

• The solar system

• One planet

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

This image shows a

• A galaxy

• A galaxy cluster

• A solar system

• Planets

Tags

NGSS.MS-ESS1-2