The Pluto

The Pluto is the last planet in our solar system that our scientists discovered ever so far. It’s the farthest planet when compared from the sun. Though discovered by an American, Pluto’s name was suggested by an 11-year-old British school girl, Venetia Burney. In 2015, a spacecraft will visit Pluto for the first time. Pluto is composed up of primarily of rock and ice. And, it is relatively small compared with all the other eight planets in our solar system. The diameter of the planet is about 2,390 km and with its mass is about 129,000,000,000 tonnes. The average distance from the sun is about 5,913,520,000 km. It’s rotation is calculated as 6 days 9 hours 18 minutes. The orbit of this planet around the sun is about 247 years 256 days. The average temperature of this planet is about -215.35 degree Celsius. The total number of moons for this planet is about 3 (Charon and two unnamed, discovered 2005)