The planet would then meet an icy, rather than a fiery end, since after a million years or so the oceans would freeze solid.

ECONOMIST: To the ends of the earth

Since being demoted from planet to dwarf planet in 2006 we've actually discovered two new moons orbiting the icy sun satellite.

ENGADGET: Alt-week 7.28.12: social mathematics, Pluto's moons and humans-on-a-chip

Pictures of the icy satellite Enceladus suggest its surface splits and spreads apart - just like the ocean floor on our planet splits to create new crust.

BBC: Enceladus has 'spreading surface'

The researchers were able to draw parallels between our planet and Saturn's hazy moon, suggesting that similar geological processes may have altered Titan's icy surface in the recent past.

MSN: Saturn's moon Titan may have seen Earth-like erosion