Earth vs TRAPPIST-1 d
Earth is about 1.3 times as wide as TRAPPIST-1 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 | TRAPPIST-1 d | |
|---|---|---|
| Type | Rocky world | Rocky world |
| Size (radius) | 1.00 R⊕ | 0.79 R⊕ |
| Surface gravity | 1.00× Earth | 0.62× Earth |
| Equilibrium temperature | 15°C (59°F) | 13°C (55°F) |
| Year (orbital period) | 365 days | 4.0 days |
| Distance from Earth | in our solar system | 40.5 ly |
| Earth-similarity index | 1.00 | 0.85 |
Common questions
Is Earth bigger than TRAPPIST-1 d?
Earth is the larger of the two: Earth is 1.00 R⊕ across and TRAPPIST-1 d is 0.79 R⊕, where Earth is 1 R⊕.
Which has stronger gravity, Earth or TRAPPIST-1 d?
Earth pulls harder: surface gravity is 1.00× Earth on Earth and 0.62× Earth on TRAPPIST-1 d.