PLANET

[noun] [C] - an extremely large round mass of rock and metal, such as Earth, or of gas, such as Jupiter, which moves in a circular path around the Sun or another starthe planet Earth/VenusThis technology might allow astronauts to explore areas of Mars and other planets by remote control.Might there be intelligent life on other planets?Sometimes she seems as if she's on another planet (= is not giving attention to what is happening around her and is thinking differently from other people).See picture: Planets