The Earth is our home.

I am sitting on the ground reading a book.

I live in the Tokyo area.

He grew up in a colony in Africa.

The process of terraforming is part of transforming other planets into a habitable environment for humans.

Earth science is an important field of study for unraveling the mysteries of nature.

I am an Earthling.

We are searching for extraterrestrial life.

The greater part of the time is spent on work.

This project was partially successful.