Polar Lights Mp4 -

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

: As these solar particles slam into atmospheric gases, they "excite" the atoms. To return to their normal state, the atoms release this excess energy as photons . A Palette of Atmospheric Colors Polar Lights mp4

The journey of the polar lights begins nearly on the Sun. : Rare and usually seen at much higher

: 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. To return to their normal state, the atoms

: Often result from intense solar storms that excite nitrogen at lower levels. Northern vs. Southern Lights What are the Northern Lights? | Aurora Borealis Explained