Book 21, Question 67
Do Other Planets Have Magnetic Fields?
Does Earth have the only magnetic field in space? Not at all! Many planets have magnetic fields, and some are very strange. Ganymede, a moon of Jupiter, has its own magnetic field.
More fun facts
- Most planets in our solar system have magnetic fields around them.
- Venus and Mars do not have magnetospheres at all.
- Ganymede, Jupiter's largest moon, is the only moon with its own magnetosphere.
- The Voyager spacecraft discovered the magnetospheres of Uranus and Neptune.
- Volcanoes on Jupiter's moon Io spew particles into Jupiter's magnetosphere.
Questions kids ask
Do moons have magnetic fields?
Ganymede, Jupiter's largest moon, is the only moon known to have its own magnetosphere.