Sun - Our Star
The Sun is a G-type main-sequence star at the center of our solar system. It contains 99.86% of the solar system's mass and provides the energy that sustains life on Earth.
Distance: 93 million miles (1 AU)
Apparent Size: 32'
Type: G2V Yellow Dwarf
Age: 4.6 billion years
Key Features:
- Sunspots (cooler magnetic regions)
- Solar flares and prominences
- Corona visible during eclipse
- 11-year sunspot cycle
- Core temperature: 15 million °C
- Surface temperature: 5,500°C
⚠️ SAFETY: ALWAYS use proper solar filters!
Never look directly at the Sun without certified solar filters.
