On: Jupiter's ocean moon Europa, thought to be habitab...

[coldtea]

>The early earth was likely "oxygen" starved too

We'll just wait a couple billion years then! Problem solved.

[AlecSchueler → coldtea]

I think the point that, even without oxygen, it could already be habitable for anaerobic organisms.

[coldtea → AlecSchueler]

Well, it does say: "“We don’t really know how much oxygen you need to make life,” she said. “So the fact that it’s lower than some earlier, wishful-thinking estimates is not such a problem.”.

[rad_gruchalski → coldtea]

Heh, the problem is we only have 800, maybe 900 million years left!