Neon is perfectly safe to breathe, as long as there's enough oxygen in the mix.Rhykker said:Yes, this is the same plasma found in plasma TVs, but other examples of plasma you may be unaware of include fluorescent lamps, neon signs, and lightning. Needless to say, you wouldn't want to breathe any of these, let alone live on a planet in which the air itself was plasma.
Ahh, you beat me to it. But here's a fun video [http://www.jpl.nasa.gov/video/?id=1258] of it.medv4380 said:Saturn's Hexagon Storm [http://www.space.com/18674-saturn-vortex-hexagon-storm-photos.html] didn't even make it onto the list?