What are auroras? The Sky's Natural Light Show - 5 mins encyclopedia

Описание к видео What are auroras? The Sky's Natural Light Show - 5 mins encyclopedia

An aurora is a natural light display that shimmers in the sky. Blue, red, yellow, green, and orange lights shift gently and change shape like softly blowing curtains. Auroras are only visible at night, and usually only appear in lower polar regions.

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