Your Daily Facts about the Sun
The sun is orbited by nine major planets: Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune, and Pluto (no longer an official planet). The sun contains 99.85% of the mass in the solar system. Classified as a G2 dwarf due to its size, heat, and chemical makeup, the sun is a medium-sized star. A G star is cool (between 5,000-6,000 on the Kelvin temperature scale) and has a complex chemistry, which means its makeup includes chemicals heavier than helium. Based on the averag


