Mercury is one of the diverse celestial bodies in our solar system and grabs attention as the most intriguing due to its diminutive size. With a primary radius of only 2,440 kilometres, Mercury is the smallest planet in our solar system.
Planets of Solar System with Their Radius
| S. No. | Planet | Radius (in km) | Radius (in mi) |
| 1. | Mercury | 2,440 km | 1,561 mi |
| 2. | Venus | 6,052 km | 3,760 mi |
| 3. | Earth | 6,371 km | 3,959 mi |
| 4. | Mars | 3,390 km | 2,106 mi |
| 5. | Jupiter | 69,911 km | 43,441 mi |
| 6. | Saturn | 58,232 km | 36,184 mi |
| 7. | Uranus | 25,362 km | 15,759 mi |
| 8. | Neptune | 24,622 km | 15,299 mi |
Also Read –