SpazePlanet
Mars
Rusty dust, the tallest volcano in the solar system and a canyon as long as the United States is wide. Two rovers, Curiosity and Perseverance, are working here now.
- Diameter
- 6,779 km
- Gravity
- 0.38 g
- Day
- 24 h 37 min
- Year
- 687 Earth days
- Average
- −63 °C
Can we live on Mars?
Air: CO₂ 95.1%, N₂ 2.6%. Not breathable: you’d need a suit and your own oxygen.
Gravity: 0.38 g. Someone who weighs 70 kg on Earth would weigh 26 kg there.
Temperature: −63 °C on average.
Ground: Iron-oxide dust and basalt; water ice at the poles.
Atmosphere
- CO₂ 95.1%
- N₂ 2.6%
- Ar 1.9%
- O₂ 0.16%
- CO <0.1%
Measured by Curiosity, NASA fact sheet