The Solar System is composed of eight planets, including Earth.

Uranus is the seventh planet in the solar system.

We discovered a new planet.

On the seventh day of creation, God finished all his work and rested.

He said he wanted to travel to the seven continents.

My dream is to travel the seven seas.

Our monthly meeting is scheduled for the seventh day of the month.

This is my first attempt.

His actions change depending on the circumstances.

He learned the movements of the solar system using an orrery.