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- Mon Jan 30, 2006 9:33 pm
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: Aurora and Volcano 01/29/06
- Replies: 2
- Views: 1981
Aurorae and Volcanos
Alas, Io is not a planet. The Jovian system has both volcanos and aurorae but it probably doesn't make a lot of sense to say that the gas giant planets have volcanos. However, you do need a good magnetic field to have aurorae so Earth is probably the only planet to have both.