Organization of the Universe

The sun is an example of a _________.

• planet

• meteorite

• star

• comet

Which of the following is the correct order from smallest to the largest?

• universe, solar system, galaxy

• galaxy, solar system, universe

• solar system, universe, galaxy

• solar system, galaxy, universe

What is the correct placement of the objects in our solar system?

• The sun revolves around the planets and the moons rotate around the sun

• The planets revolve around the sun and the moons revolve around the planets.

The sun and the planets.

• solar system

• galaxy

• universe

• rotation

The star at the center of our solar system.

• Sun
• moon
• orbit
• axis

A large object that revolves around (orbits) a star.

• planet

• moon

• star

• super nova

An object that revolves around (orbits) a planet.

• moon

• star

• axis

• Sun

Why do planets orbit the sun (and not float around in space)?

• the moons are keeping them in place
• They were hit by an asteroid
• they were hit by a comet
• the sun's gravity keeps them in place

A galaxy is a collection of

• planets

• moons

• millions or billions of stars

The galaxy we are a part of is called:

• Milky Way

• Andromeda

• Whirlpool

• Sombrero