I orbit a planet what am I?

• moon

• comet

• galaxy

• star

I am made up of rock and am much smaller than a planet. What am I?

• star

• comet

• asteroid

• planet

I am made of gas. I emit light and heat. What am I?

• moon

• planet

• asteroid

• star

I am made up of group of nebulae, billions of stars and their solar systems. What am I?

• satellites

• galaxies

• comets

• planets

What is the layer of gas around the earth called?

• hydrosphere

• geosphere

• atmosphere

The hydrosphere is made of water?

Order the planets from closest to furthest from the sun.

What is the name of the galaxy where the solar system is?

• Nebuñla

• Milky Way

• Black Eye Galaxy

Which is the hottest planet?

Pluto is too small to be a planet. What is it?

• dwarf planet

• moon

• comet