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

I am an Earthling.

We are searching for extraterrestrial life.

There is a rumor that the cat turns into a human at night.

He changed his diet to improve his life.

This project needs digitalization.

We camped in a densely wooded area.

He believes in the geocentric theory.

A terrestrial planet may have an environment similar to Earth.

He is an expert in geophysics.