Moons that orbit their planet too closely will experience strong tidal heating and a runaway greenhouse effect that would boil away any surface water.

MSN: News editor

In fact, we know that some set of extremes the negative feedbacks must overwhelm the positive as otherwise, those past times when we have higher CO2 and thus temperatures would have led to a runaway Venus like effect.

FORBES: Not Quite Professor Krugman, Not Quite

Gates strategy had its intended effect--it blunted the competition and paved the way for the eventual runaway success of Windows 3.0.

FORBES: Net gains

This is a very big problem because once confidence returns, and credit begins to flow more easily, we could end up with runaway inflation, an even bigger problem as this would wipe out savings and have a wealth-destroying effect.

FORBES: Basel Barriers: How capital requirements would impede progress in the sovereign debt crisis