Auroras: Self Guided Tour
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Description: What makes aurora?
Auroras: What makes them happen? Before we can understand auroras, we need a few facts about the space around our Earth. There are many things in this space that we can't see. One thing is the air we breathe, our atmosphere. It is really a mixture of several gases, mostly nitrogen and oxygen, with traces of hydrogen, helium and various compounds.
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| Page title: | Auroras: What makes them happen? |
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| NS | Name Servers: ISAAC.EXPLORATORIUM.EDU 192.174.2.1 JOULE.EXPLORATORIUM.EDU 192.174.2.201 |
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| Date | activated: 28-May-1992 last updated: 21-Sep-2003 expires: 31-Jul-2014 |