It's the sun stupid ... Always has been

So if the earth has climate cycles, is it reasonable to conclude the sun does as well??

~S~
 
Well I am guessing humanity kills itself well before that billion years gets here

The billion years is just a best guess. Odds being what they are that gives us plenty of time for the long overdue planetary killer strike by a mile wide asteroid. The last one was only $65 million years ago. Hardly anything compared to a billion years.
 
The billion years is just a best guess. Odds being what they are that gives us plenty of time for the long overdue planetary killer strike by a mile wide asteroid. The last one was only $65 million years ago. Hardly anything compared to a billion years.
Bezos can just shoot some breeders up in the air right before it hits and they can replenish the planet ten minutes later after the strike is over.
 
The billion years is just a best guess. Odds being what they are that gives us plenty of time for the long overdue planetary killer strike by a mile wide asteroid. The last one was only $65 million years ago. Hardly anything compared to a billion years.

Why do you think the meteor impact 65 million years ago was a planetary killer? ... birds survived and prospered ... mammals survived ... insects survived and terrorized birds ...

Only dinosaurs perished ... and some evidence shows they were already in deep trouble ... the breaking of Gondwana at 100 million years ago caused a new Ice Age to occur ... that's death to cold-blooded animals ... if the meteor didn't kill off the dinosaurs, the ice caps would have ...

Almost all life of Earth is single cell bacteria ... and bacteria doesn't care about meteors ...
 
Why do you think the meteor impact 65 million years ago was a planetary killer? ... birds survived and prospered ... mammals survived ... insects survived and terrorized birds ...

Only dinosaurs perished ... and some evidence shows they were already in deep trouble ... the breaking of Gondwana at 100 million years ago caused a new Ice Age to occur ... that's death to cold-blooded animals ... if the meteor didn't kill off the dinosaurs, the ice caps would have ...

Almost all life of Earth is single cell bacteria ... and bacteria doesn't care about meteors ...
Even more revealing is that while the entire surface of the earth shows evidence of repeated cataclysms the organisms that evolved were able to survive and continue to evolve. Likely because they saw the upheaval coming and migrated to safer places where they could continue to evolve uninterrupted.
 
Even more revealing is that while the entire surface of the earth shows evidence of repeated cataclysms the organisms that evolved were able to survive and continue to evolve. Likely because they saw the upheaval coming and migrated to safer places where they could continue to evolve uninterrupted.

There's life everywhere we look here on Earth ... no matter the cataclysm, life will rebound in abundance ... everywhere on Earth ... there's no place safe from biology ... even Antarctic supports lichens and algae ...
 
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