Earth vs GJ 3378 b
GJ 3378 b is about 1.3 times as wide as Earth 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 | GJ 3378 b | |
|---|---|---|
| Type | Rocky world | Rocky world |
| Size (radius) | 1.00 R⊕ | 1.32 R⊕ |
| Surface gravity | 1.00× Earth | ≥ 1.32× Earth |
| Equilibrium temperature | 15°C (59°F) | -1°C (30°F) |
| Year (orbital period) | 365 days | 21 days |
| Distance from Earth | in our solar system | 25.2 ly |
| Earth-similarity index | 1.00 | 0.91 |
Common questions
Is Earth bigger than GJ 3378 b?
GJ 3378 b is the larger of the two: Earth is 1.00 R⊕ across and GJ 3378 b is 1.32 R⊕, where Earth is 1 R⊕.
Which has stronger gravity, Earth or GJ 3378 b?
GJ 3378 b pulls harder: surface gravity is 1.00× Earth on Earth and ≥ 1.32× Earth on GJ 3378 b.