User:Satwinder123jog/sandbox

=Estonia

Northern Lights

Estonia 'is one of the greatest places for seeing the northern lights.

Colours of northern lights

Blue

'At lower altitudes atomic oxygen is very uncommon and molecular nitrogen takes over ionized molecular nitrogen creates a visible light emission.

Ultraviolet

'Ultraviolet rays have been seen on Saturn and Mars and are unusually visible through the optic window of all humans.

Green

'At lower altitudes the more frequent collisions suppress 630.0 nm [red];