Life Out There

Earth is a...

• Galaxy

• Planet

• Star

• Meteor

Some planets... the sun.

• circle

• follow

• orbit

• journey

Earth is the third planet in the...

• galaxy

• Milky Way

• universe

• solar system

The... on Earth lets us breathe and survive.

• gravity

• atmosphere

• space

• surroundings

Our... is called the Milky Way.

• Planet

• universe

• world

• galaxy

There are many galaxies in the...

• Milky Way

• planet

• universe

• world

A... is made out of rock, ice and gas.

• sun

• star

• meteor

• comet

A... to another planet could take many years.

• ride

• journey

• trip

Scientists collect... on the universe.

• details

• data

• knowledge

• evidence

Some people think that... live on other planets.

• extraterrestrials

• aliens

• animals

• astronauts