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- Thu Apr 27, 2006 7:11 am
- Forum: The Bridge: Discuss an Astronomy Picture of the Day
- Topic: No vacuum? (2006 April 26)
- Replies: 12
- Views: 3925
Hi Starnut, That's not completely correct. Comets have two primary tails seen visually. The ion tail is formed from gas molecules being ionised in the head of the comet and then being swept back by the magnetic field in the Solar wind, as you said. In colour photographs of bright comets ion tails ar...