Do other planets have magnetic fields?
I think I had once replied to a question about magnetic fields of planets. I will try to access that answer. … I tried but did not succeed. So let me make a fresh attempt. The earth is hot inside. It also has molten conducting material that is subjected to convection and also to the rotation of the earth. When you have a combination like this, generation of a magnetic field is inevitable. The movement of the conducting material is not chaotic. Planets that rotate slowly cannot produce such an organisation and, like Venus, fail to develop a magnetic field.
