The Sun.
Statistics.
Diameter: 1.4 million km (870,000 miles)
Age: 4.5 billion years
Mass: 330,000 x Earth
Distance from Earth: 149.6 million km (93 million miles)
Distance to Nearest Star: 4.3 light years
Solar Wind Speed: 3 million km/hr.
Luminosity: 390 billion billion megawatts
Solar Cycle: 8 - 11 years
Temperature at surface: 5,500o C (9,932o F)
Temperature at Core: 14 milliono C (22.5 milliono F)
Temperature of Sunspots: 4,000o C (7,232o F)
Rotation Period at Equator: 25 Earth days
Rotation Period at Poles: 35 Earth days