4 ms·
> Earth has still millions of years of habitability The lower bound is probably 600m to 1bn years. By then the sun's luminosity will have increased enough to e
by bhickey 10y ago
> Earth has still millions of years of habitability
The lower bound is probably 600m to 1bn years. By then the sun's luminosity will have increased enough to eventually boil off the oceans. To get over this hump we'd need to sequester or condense atmospheric water vapor. That'd push our planetary survival time out to about 3bn years.
- iwwr 10y agoWe would think that by such time people would have figured out artificial solar shading to keep the planet at a nice stable temperature for a long time. This could even be decades-away technology.