Planet

Di eight planets of di Sola System with saize to skayle (up to down, left to right): Saturn, Jupiter, Uranus, Neptune (outer planets), Earth, Venus, Mars, and Mercury

A planet bi a laj, rounded astronomikal bodi wen neither bi star nor it remnant. Di best available theory of planet fomashion bi di nebula hypothesis, which posit say an interstellar cloud kollapse komot from a nebula to kreate a yong protostar wen a protoplanetary disk dé orbit. Planets grow for dis disk by di gradual accumulation of material driven by gravity, thru di process of accretion. Di Sola System get at least eight planets: di terrestrial planets Mercury, Venus, Earth, and Mars, and di giant planets Jupiter, Saturn, Uranus, and Neptune. (When di term "planet" dé applied more broadly, these eight uncontroversial planets fit dé distinguished by calling dem "major planets".) These planets each rotate araund an axis.