Io, one of Jupiter's moons, is the most volcanically active body in the solar system.
Fact #4098
👍 0 · 👎 0
More Space Facts
The International Space Station is one of the most complex engineering projects ever built.
Fact #1510 · Space
The Earth orbits the Sun once every year.
Fact #296 · Space
The Moon's surface is covered in craters.
Fact #97 · Space
Cosmic rays constantly bombard Earth from space.
Fact #1621 · Space
The Sun will eventually expand into a red giant.
Fact #111 · Space
Some galaxies appear distorted due to gravitational effects.
Fact #1629 · Space
A day on Mars is slightly longer than a day on Earth.
Fact #125 · Space
Saturn's largest moon is Titan.
Fact #271 · Space
Want more facts?
We have over 11,491 facts across 15 categories.