ALIEN WORLDS

The ______________ is made up of the Sun and its orbiting planets.

• galaxy

• planet

• interstellar

• solar system

A ______________ is a massive collection of stars, gas, and dust.

• solar system

• planet

• decade

• galaxy

The scientist used a telescope to study a ______________ star in the sky.

• massive

• trillion

• suitable

• single

Earth is the third ______________ from the Sun in our solar system.

• star

• astronomer

• galaxy

• planet

A ______________ emits light and heat, enabling life to exist on planets.

• galaxy

• distance

• feature

• star

The ______________ discovered a new planet orbiting a distant star.

• interstellar

• solar system

• planet

• astronomer

The mountain was so ______________ that it took days to climb.

• single

• trillion

• Earthlike

• massive

This box appears to ______________ all the tools we need to fix the car.

• reach

• discover

• suitable

• contain

Her ______________ changed drastically after she dyed her hair pink.

• distance

• galaxy

• star

• appearance

Scientists estimate the Milky Way contains over one ______________ stars.

• galaxy

• distance

• trillion

• feature