the universe

A very large group of stars and planets.

• universe

• galaxy

• star

• Earth

A ball of burning gases in space that gives off light.

• galaxy

• planet

• sun

• star

What is the name of our Galaxy?

• Saturn

• Milky Way

• Superman

• Wonder Woman

Pluto is know as...

• a dwarf planet

• a galaxy

• a gigantic planet

• a baby planet

Group from largest to smallest.

• solar system, galaxy, universe

• universe, solar system, galaxy

• universe, galaxy, solar system

• galaxy, universe, solar system

What color are the hottest stars?

• red
• yellow
• orange
• blue

What is the color of the coolest stars?

• blue
• Yellow
• Red
• Orange

All stars begin their life in a

• Main Sequence

• Nebula

• Protostar

• Black Dwarf

A gigantic explosion that causes the death of a large star is called

• pulsar
• red giant 
• supernova
• black hole

Our sun is a ____________ star.

• main sequence G2

• massive star

• supernova

• red giant