... Сколько планет в нашей солнечной системе? ... What is the controversy over Pluto being classified as a planet? ... К списку вопросов . ... The planets, asteroids and comets in the Solar System are loose particles left over from the formation of the Sun. Originally the gas and dust which would become the Sun was the core of a cloud much larger than the Solar System, probably several light years across; where 1 light year is equal to approximately 10,000,000,000,000 kilometers (or 6 trillion miles). ...