Cosmic Scale
The Sun vs Proxima Centauri: size comparison
The Sun is about 6.49 times wider than Proxima Centauri: 1,391,000 km across against 214,600 km.
Compare them in 3D, at true scale
| The Sun | Proxima Centauri | |
|---|---|---|
| Diameter | 1,391,000 km | 214,600 km |
| Mass | 1.99 × 10³⁰ kg | 2.43 × 10²⁹ kg |
| Light crosses it in | 4.64 seconds | 0.72 seconds |
- The Sun has about 273 times the volume of Proxima Centauri.
- The Sun is about 8.2 times more massive than Proxima Centauri.
- Light takes 4.64 seconds to cross The Sun, and 0.72 seconds to cross Proxima Centauri.
The Sun: Holds 99.86% of all the mass in the Solar System.
Proxima Centauri: The nearest star to the Sun.