|
This is one of the drawbacks of looking for worlds we can land on and inhabit. If it's habitable, it's almost certainly already inhabited. I think I read somewhere that without organisms to produce it, an oxygen atmosphere can't/is unlikely to be generated spontaneously.
Way back when, Earth used to have purple oceans and green skies (I'm probably botching the colours), and you would die instantly upon taking your first breath.
"When science was in its infancy, religion tried to strangle it in its cradle." - Robert G. Ingersoll
|