Earth vs Proxima Cen d
Earth is about 1.4 times as wide as Proxima Cen d and they sit at a similar temperature. Earth is the closer of the two to Earth, with an Earth-similarity index of 1.00.
| Earth | Proxima Cen d | |
|---|---|---|
| Type | Rocky world | Rocky world |
| Size (radius) | 1.00 R⊕ | 0.69 R⊕ |
| Surface gravity | 1.00× Earth | ≥ 0.54× Earth |
| Equilibrium temperature | 15°C (59°F) | 9°C (48°F) |
| Year (orbital period) | 365 days | 5.1 days |
| Distance from Earth | in our solar system | 4.2 ly |
| Earth-similarity index | 1.00 | 0.83 |
Common questions
Is Earth bigger than Proxima Cen d?
Earth is the larger of the two: Earth is 1.00 R⊕ across and Proxima Cen d is 0.69 R⊕, where Earth is 1 R⊕.
Which has stronger gravity, Earth or Proxima Cen d?
Earth pulls harder: surface gravity is 1.00× Earth on Earth and ≥ 0.54× Earth on Proxima Cen d.