UNIT 1: EpitU Vocab

 a collection of stars, dust, and gas bound together by gravity.

• Galaxy

• Solar System

• Universe

• Star

Tags

NGSS.MS-ESS1-2

all of space and everything in it including stars, planets, galaxies, etc.

• Star

• Universe

• Solar System

• Galaxy

 the average distance between the Earth and the Sun (about 150 million kilometres, or 93 million miles).

• Astronomical Unit

• A really big number

• Galaxy

• Light Year

Tags

NGSS.MS-ESS1-3

force of attraction between objects that is due to their masses.

• Galaxy

• Light Year

• Gravity

• universe

Tags

NGSS.MS-PS2-4

the distance light travels in one year (9.5 trillion kilometers, or 5.9 trillion miles).

• Light year

• Astronomical Unit

• Galaxy

• Gravity

a group of planets or celestial bodies that revolve around a star(s).

• Star

• Solar System

• Moon

• Planet

Tags

NGSS.MS-ESS1-2

NGSS.MS-ESS1-3

the movement of one object around another

• Rotation

• Revolution

• Galaxy

• Gravity

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

 a large, round object in space that travels around a star.

• Star

• Solar System

• Moon

• Planet

Tags

NGSS.MS-ESS1-3

An event in which the shadow of one celestial body falls on another.

• Moon Phases

• Eclipse

• A full moon

• Rotation

Tags

NGSS.MS-ESS1-1

 a ball-shaped gaseous celestial body (as the sun) of great mass that shines by its own light.

• Star

• Moon

• Solar System

• Planet