A little more on molecular oxygen in space. Next to helium and hydrogen oxygen is most prevalent. Earth is not unique especially using oxygen as an example.
where else did we find oxygen in space? it we do it prolly at lil bit
just like with water
yet we have an whole atmosphere of it and 75% water
that has to be unique
and let me say this when i say earth is unique i also mean that every planet is unique you will find anything that thrive on one planet on another planet