SpazeIce giant
Uranus
Tipped on its side, so each pole gets 42 years of sunlight followed by 42 years of darkness.
- Diameter
- 50,724 km
- Gravity
- 0.89 g
- Day
- 17 h 14 min
- Year
- 84 Earth years
- Cloud tops
- −197 °C
- Moons
- 28
Can we live on Uranus?
Air: H₂ 82.5%, He 15.2%. Not breathable: you’d need a suit and your own oxygen.
Gravity: 0.89 g. Someone who weighs 70 kg on Earth would weigh 62 kg there.
Clouds: Methane gives the blue-green colour; ices of water and ammonia below.
Atmosphere
- H₂ 82.5%
- He 15.2%
- CH₄ 2.3%
Measured by Voyager 2, NASA fact sheet