Io
Io is the most volcanically active body in the solar system.
Observed data
- Diameter
- 3,643 km
- Distance from Sun
- 5.2 AU
- Orbital period
- 1.77 days
- Moons
- 0
- Surface temp.
- -183°C ~ 1600°C
- Gravity
- 1.796 m/s²
Observed by
- Galileo
- Juno
- Voyager 1/2
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