Air glow in Mars

[Lucas]

http://www.spacedaily.com/news/marsexpress-05a.html

It has been discovered for the first time an air glow in Mars, like those that occur in Earth. I thought that it could be interesting

[blobrana]

Hum,
And as seen in the atmosphere of Venus…

The weird process for today is <i>`electron ultraviolet photodissociation’</i>
(er, the break-up of oxygen, nitrogen and carbon dioxide molecules by ultraviolet light. And when the separate atoms are transported to the nightside, recombine, releasing energy in the form of photons.)

[Ophiolite]

Ah! If only Cole Porter were still alive he could write a romantic song.