Sun
star (our Sun)
Our nearest star — a G2 yellow dwarf about 4.6 billion years old. The Sun holds 99.86 % of all the mass in the Solar System.
Data
- Type
- star (our Sun)
- Equatorial radius
- 695,700 km
- Rotation period
- 25.4 days
Observing tip
⚠️ Never look at the Sun through a telescope or binoculars without a proper solar filter — it causes permanent blindness.