Being particulates in the atmosphere.
Red is smoke.
Blue is salt, from sea storms.
Purple is dust, from storms.
Superimposed over an Earth at Night image. Click to embiggen.
From APOD
1 Like
Shiny stones wasted on bullshit
fucking trajic
But what a cool picture!
To an alien with different eye wiring, it would look enticing as hell.
fer 7 trillion bucks I could paint them all day for ya