The surveyor set up the planetable on the hillside to begin the detailed topographic mapping.

The science fiction novel explored the different planetalities that shaped each world's culture and ecosystem.

After being born on Titan and later naturalized on Ganymede, her planetality became a contentious point in the extradition hearing.

Astronomers continue to debate how many dwarf planets exist in the outer reaches of our solar system.

The terrestrial planets in our solar system—Mercury, Venus, Earth, and Mars—exhibit a wide variety of geological features.

Astronomers have discovered several rogue planets drifting between the stars, challenging theories of planetary formation.

Astrologers often warn that malefic planets can intensify difficulties during major life changes.

Goldilocks planets could host life because their temperatures allow liquid water to persist.

Astronomers continue to discover exosolar planets that challenge our ideas about planetary formation.

In many star systems, silicate planets are surrounded by thin atmospheres that evolve over billions of years.