of or relating to or resembling the physical or orbital characteristics of a planet or the planets

of or relating to or characteristic of the planet Earth or its inhabitants

having no fixed course

involving the entire earth; not limited or provincial in scope

an outer gear that revolves about a central sun gear of an epicyclic train

(astrology) one of 12 equal areas into which the zodiac is divided

a nebula that was once thought to be a star with its planets but is now thought to be a very hot star surrounded by an expanding envelope of ionized gases that emit a fluorescent glow because of intense radiation from the star