The estimated lifespan of the outer solar system has been downgraded from 100 billion years to just a few billion years, according to a study that probed “terminal instability” during the Sun’s death.
Where does the 250 million number come from? Also, did they move the date on red giant state up from when I was a kid?? I thought we had 2-3 billion before then.
Greenhouse effect will make the planet too hot for us to survive way before then. The seas will boil away way before the red giant consumes the planet.
Where does the 250 million number come from? Also, did they move the date on red giant state up from when I was a kid?? I thought we had 2-3 billion before then.
Greenhouse effect will make the planet too hot for us to survive way before then. The seas will boil away way before the red giant consumes the planet.
Huh, I never realized how late to the game of Earth habitability humanity was.
I hadn’t either! over 4.3 billion years to manage sapience and we only have 250 million years of habitability left. We basically did this: