Light interacting with hydrogen atoms enclosed in hollow cages composed of carbon atoms — referred to as fullerene material —
produces ionisation.
Not exact matches
And he says this
ionisation could have been caused by the X-rays
produced when sterile neutrinos decayed in the early universe.
«Pre-planetary» and «planetary» nebulae are different in the nature of the light they
produce; pre-planetary nebulae reflect light, whereas mature planetary nebulae shine through
ionisation (where atoms lose or gain electrons).
I know the auroras are well above any weather -
producing region, but how low in the polar atmospheres could / do the
ionisation cascades get that
produce the auroras.