plural of malefic planet

Used other than figuratively or idiomatically: see tertiary, planet. (the third planet; usually counting outwards from the central sun)

(astronomy) a body comparable to a planet, but not a planet, such as a dwarf planet or a planetary-mass moon

(obsolete, Britain, thieves' cant, derogatory, rare) Ireland.

plural of chthonian planet

(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.

plural of home planet

plural of rocky planet

(astronomy) A planet composed primarily of metals and/or silicate rocks and having a solid surface.