Understanding chorus waves is vital, as they create fast-moving, highly energetic electrons (known as killer electrons) that ...

Earth, Mercury and Jupiter's moon Ganymede all have internally generated magnetic fields today. Mars and Earth's moon have old crustal rocks that preserve remnants of magnetization from magnetic ...

What’s more, Ganymede has its own magnetic field, indicating the presence of a liquid metallic component surrounding an iron core. That means it could be similar to Earth in some ways.