The Universe

All the things that exist in space.

• universe

• galaxy

• sun

• planet

A very large group of stars and planets.

• universe

• galaxy

• star

• Earth

Any star that is the center of a system of planets.

• sun

• solar system

• planet

• Milky Way

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

• galaxy

• planet

• sun

• star

The sun and the bodies that move in orbit around it. It includes eight planets, many moons, asteroids, and comets.

• galaxy

• solar system

• dwarf

• Earth

A large body that does not give off light and orbits the sun.

• planet

• star

• sun

• galaxy

How many known moons are there in the solar system?

• 1

• 25

• 123

• 178

What is the name of our Galaxy?

• Saturn

• Milky Way

• Superman

• Wonder Woman

How many stars are in our galaxy?

• hundreds

• millions

• billions

• trillions

What is the meaning of solar?

• fire

• sun

• water

• wind