(astronomy) A hypothetical type of planet resulting from the atmosphere and outer layers of a gas giant being stripped away, leaving the rocky, metallic core.

(broadcasting) The deliberate inclusion in broadcast media of messages warning about climate change or promoting environmental sustainability.

Alternative form of exoplanet

Alternative form of exoplanet

Alternative form of Planet 9

Alternative form of hamplanet

(astronomy) A planet which orbits in the habitable zone around a star, where temperatures like those on Earth occur, allowing for the possible existence of liquid water and of life.

The planet Uranus.

the planet Mars

Any of the four gas giant planets in the Solar System: Jupiter, Uranus, Saturn, or Neptune.