Temperate rocky planet, 41 light years away, TRAPPIST-1
TRAPPIST-1 e
Probably the best bet in the TRAPPIST-1 system for liquid water on the surface.
- Distance
- 40.5 light years
- Year
- 6.1 days
- Size
- 0.9 × Earth
- Temperature
- -23 °C
- Mass
- 0.7 × Earth
- Found
- 2017, Multiple Observatories
Can we live on TRAPPIST-1 e?
Air: N₂, CO₂. Not breathable: you’d need a suit and your own oxygen.
Gravity: 0.82 g. Someone who weighs 70 kg on Earth would weigh 57 kg there.
Temperature: -23 °C on average.
Ground: Rock, possibly with water; atmosphere not yet measured.
Atmosphere
- N₂
- CO₂
- H₂O
Not measured yet: modelled from its size and temperature