The Sun-Earth distance is 149597870691 meters,from the sun to the earth at the speed of eight minutes eighteen seconds.That is to say,we feel the warm sunshine is eight minutes ago,if the sun don't shine,so we only after eight minutes can feel.
Pluto is the solar system contrast second bodies,his track is very abnormal.Sometimes even closer to the sun than Neptune.This is the only one without being spacecraft visited the planet.In 2006was ruled out of the nine planets.Pluto is the largest satellite,Charon and Pluto,the rotation period of the same.Pluto is unknown up to a planet.