Abhishek SharmaCSE 2024 · 122 wordsTheir whole copy
Opening · a definition
Northern and Southern lights are an atmospheric phenomenon where bright & colorful lights are observed in the sky mainly in N. & S. polar regions.
Body · points and prose
Formation
↳ Sun's solar flares interact with Earth's magnetic fields and the ions in the ionosphere ↳ which makes charged ions emit electromagnetic radiation of specific frequency.
Impacts on earth's atmosphere and human activities
(1) Tourist spots → They look very beautiful and are huge tourist attractions
(2) They have the potential to disturb ionic communication i.e S & L bands
(3) They give information about the solar cycle
(4) Charging up of ionosphere leads to increasing temperature and thus heterogenization of atmospheric gases.
Close · a summary
Auroras & Southern lights are an interesting & unique geophysical phenomenon.
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