Rocky planet, 41 light years away, TRAPPIST-1
TRAPPIST-1 b
JWST measured its heat: bare rock with no thick atmosphere, at around 230 °C.
- Distance
- 40.5 light years
- Year
- 1.5 days
- Size
- 1.1 × Earth
- Temperature
- 125 °C
- Mass
- 1.4 × Earth
- Found
- 2016, La Silla Observatory
Can we live on TRAPPIST-1 b?
Air: none to speak of. You’d live in sealed, pressurised habitats.
Gravity: 1.10 g. Someone who weighs 70 kg on Earth would weigh 77 kg there.
Temperature: 125 °C on average.
Ground: Bare rock; no thick atmosphere.
Atmosphere
- None to speak of
Measured by JWST