Polar - Lights Mp4

: The Sun constantly emits a stream of charged particles known as the solar wind . Major eruptions, such as solar flares or coronal mass ejections, send billions of tons of plasma hurtling toward Earth.

: Rare and usually seen at much higher altitudes, also caused by oxygen . Blue and Purple : Triggered by nitrogen atoms. Polar Lights mp4

: The most common color, produced by oxygen at lower altitudes (around 60–150 miles up). : The Sun constantly emits a stream of