The final fate of the Earth

Neat. Just wait a few billion years. [Link]

Earth will one day be much like Titan. Lakes near the poles, occasional flash-flooding nearer to the equator, but otherwise a planet girt by dunes.
Usually the analogy between Earth and Titan goes the other way – Titan is a frozen pre-biotic Earth. And, in many ways, it is. But it’s also drying out as its liquid phase is destroyed by the Sun’s rays. Methane photolyses, makes haze and heavier organicky junk, tholins. What might have been a planetary ocean – though we don’t really know yet – is now remnant lakes huddling around the poles.
And, according to Jonathan Lunine, that’s where Earth’s headed inexorably as the Sun brightens over the aeons…