For an interpretation of the meanings of planets in dreams, look up books on astrology, or better yet, read Greek mythology.
A symbol of your own Star.
If you dream of being on another planet, you have a creative mind and are good at finding unusual solutions to problems.
Dreams of a planet represent your belief system; a particular orbit of thoughts of which you are gravitationally pulled. You also may be connecting with a higher and greater consciousness and are resonating with intelligence from other planets. Consider which planet you dreamed of as well as its particular attributes. See Sun, Earth, Moon, Mercury, Venus, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto and Astrology.
To dream of a planet, foretells an uncomfortable journey and depressing work.