Ultra-hot Jupiter, 880 light years away, WASP-121
WASP-121 b
Its air holds vaporised rock, and its night side has clouds of metal.
- Distance
- 880 light years
- Year
- 1.3 days
- Size
- 1.7 × Jupiter
- Temperature
- 2,136 °C
- Mass
- 1.2 × Jupiter
- Found
- 2016, SuperWASP
Can we live on WASP-121 b?
Air: H₂, He. Not breathable: you’d need a suit and your own oxygen.
Gravity: 0.98 g. Someone who weighs 70 kg on Earth would weigh 68 kg there.
Temperature: 2,136 °C on average.
Clouds: Rock vapour in the air, metal clouds on the night side.
Atmosphere
- H₂
- He
- H₂O
- CO
- SiO
- Fe
- Mg
- VO
Measured by JWST, Hubble