Are we running into definitional issues of what we mean by “life as we know it?” That term has some degree of ambiguity that may be creating the problem.
Quite possibly. Although one of the features of ‘life as we know it’ that will not survive for hundreds of millions of years is living exclusively on earth. So the disagreement would remain independently of definition.
Quite possibly. Although one of the features of ‘life as we know it’ that will not survive for hundreds of millions of years is living exclusively on earth. So the disagreement would remain independently of definition.