Aurora lights

hi all,

In our school there is a geography fair and i was just wondering weather it is possible to create aurura lights model.

i feel using a hologram a fairly good model can be made. But i want something more better. I hope some one can help me. :confused:
 
why don't u try using a cathode ray tube with some easily ionizable gas in it... place this apparatus in a dark room and lo behold, u have beautiful lights
 
i will try it out
 

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