why is aurora formed

why is aurora formed, what makes an aurora, how does an aurora form, why do auroras occur, how are auroras created

why is aurora formed. There are any references about why is aurora formed in here. you can look below.

what makes an aurora

how does an aurora form

why do auroras occur

how are auroras created

why is aurora formed, what makes an aurora, how does an aurora form, why do auroras occur, how are auroras created

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