On which planets of the solar system and why are the auroras observed?

Auroras will be observed on planets that have magnetic fields and atmospheres. This is Earth, Mars, Jupiter, Saturn. On Uranus and Neptune, spacecraft have not yet recorded auroras.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.