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Kieron L

@kieronl

The display of colors

The colours of a aurora boralis are pink, green, yellow, blue, violet, and occasionally orange and white.

  • When the particles mix with oxygen, yellow and green are produced.
  • When the particles interact with nitrogen, red, violet, and blue colours are produced.
  • Atomic nitrogen causes blue displays.
  • Molecular nitrogen results in purple.
  • Green light typically appears in areas up to 150 miles high, red above 150 miles, blue at up to 60 miles, and purple and violet above 60 miles.

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IDEA EXTRACTED FROM:

Aurora Borealis: What Causes the Northern Lights & Where to See Them

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