Space 01
Why Are Auroras Different Colors? Green, Red and Purple
Green and red auroras come from the same oxygen atom. A 0.75 s vs 134 s lifetime and air density decide which colour wins. The physics, with worked numbers.
Green and red auroras come from the same oxygen atom. A 0.75 s vs 134 s lifetime and air density decide which colour wins. The physics, with worked numbers.