Hot Jupiter, 64 light years away, HD 189733
HD 189733 b
Deep blue, but no ocean: it rains glass sideways in winds of 8,700 km/h. And it smells of rotten eggs (H₂S).
- Distance
- 64.5 light years
- Year
- 2.2 days
- Size
- 1.1 × Jupiter
- Temperature
- 936 °C
- Mass
- 1.1 × Jupiter
- Found
- 2005, Haute-Provence Observatory
Can we live on HD 189733 b?
Air: H₂, He. Not breathable: you’d need a suit and your own oxygen.
Gravity: 2.24 g. Someone who weighs 70 kg on Earth would weigh 157 kg there.
Temperature: 936 °C on average.
Clouds: Silicate haze that scatters blue light: it really is deep blue.
Atmosphere
- H₂
- He
- H₂O
- CO
- CO₂
- H₂S
- Na
Measured by Hubble, JWST