The experimental evidence claimed to support your CR (cosmic ray) hypothesis of a CR-cloud-temperature coupling assumes that Earth's cloud formation model AND the temperature model remain unchanged for hundreds of millions of years (neglecting the odd-ball possibility that their changes would always be mutually compensating). The same models that are valid today would be valid, for example, through periods of much higher volcanic activity, different geographic arrangements and foliage (albedo), and different atmospheric composition. Do you think this is reasonable, and why? Thanks.
Cloud model question
The experimental evidence claimed to support your CR (cosmic ray) hypothesis of a CR-cloud-temperature coupling assumes that Earth's cloud formation model AND the temperature model remain unchanged for hundreds of millions of years (neglecting the odd-ball possibility that their changes would always be mutually compensating). The same models that are valid today would be valid, for example, through periods of much higher volcanic activity, different geographic arrangements and foliage (albedo), and different atmospheric composition. Do you think this is reasonable, and why? Thanks.