22-09-2005, 09:57 PM
Northen Lights can be violet-blue (nitrogen in "low altitude (100km)), green-yellow (oxygen in "low" altitude (100km)), dark red (oxygen in
high altitude) or red (nitrogen), depending of the type of particules coming from the Sun.
Usually, Northen Lights seen on Earth are green but can have a bit of red in it.
Pagir
high altitude) or red (nitrogen), depending of the type of particules coming from the Sun.
Usually, Northen Lights seen on Earth are green but can have a bit of red in it.
Pagir