What are aurora australis and aurora borealis? How are these triggered?

Full UPSC Mains prompt below — written for reading, revision and search.

2024 GS Paper I Physical Geography

GS Paper I 15 marks 250 words Physical Geography

Question

Write from the prompt.

What are aurora australis and aurora borealis? How are these triggered?

Syllabus link: GS I – Physical Geography: Salient features of world’s physical geography.

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