planetary cores

Iron Snow Could Explain the Magnetic Fields at Worlds Like Ganymede

Jupiter’s largest moon, Ganymede, features a surprisingly strong magnetic field for its size. Tidal effects from Jupiter continually stretch and…

10 months ago

Dead Planets Around White Dwarfs Could Emit Radio Waves We Can Detect, Sending Out Signals for Billions of Years

A new study by a pair of astronomers has shown that planets orbiting white dwarfs will still be emitting radio…

5 years ago