Star
The star at the center of the solar system, a yellow dwarf that makes up 99.8% of the system's mass.
| Type | Star |
|---|---|
| Distance from Earth | 0.0000158 ly |
| Diameter | 1,391,000 km |
| Mass | 1.99 × 10³⁰ kg |
| Temperature | 5,505°C |
| Rotation period | 609.1 hours |
| Apparent magnitude | -26.74 |
| Redshift | 0 |
| Hemisphere | Both |
| Discovered | Prehistoric |
Stars spend most of their lives fusing hydrogen into helium in their core, and it's the balance between that outward pressure and gravity pulling inward that fixes how big and how bright a star gets.
At 1,391,000 km across, Sun is close to the diameter of the Sun.
Its mass is close to the mass of the Sun.
The light reaching us from Sun tonight left it around 0 years ago.
Of the 98 stars these pages cover, only 0 lie closer to us.
Its surface sits at 5,778 K, hotter than the Sun at 5,772 K, which is what sets its colour.
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