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…

4 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