Lingwa de Planeta is a constructed international auxiliary language.

The planetcide caused irreversible damage to the ecosystem.

The park is filled with beautiful American planetrees.

Planetary engineering is the practice of deliberately modifying the environment of a planet or moon to suit the needs of a particular population or to make it habitable for humans.

Elon Musk's vision is to create a multi-planetary civilization.

The planetary gears in the transmission system are responsible for transferring power between different gears.

Planetary gear trains are commonly used in automotive transmissions.

The planetary nebula nuclei are the remnants of dying stars.

The planetary nebula's nucleus is composed of hot, dense matter.

Planetos is the fictional world in which the Game of Thrones series is set.