I'd Rather It Rain Men Than Rocks

In a galaxy far, far, away....there lies an exoplanet COROT-7b, which is 5x the mass of Earth and twice as large.

COROT-7b is a rocky planet like Earth and calculations show its density is also comparable to ours, meaning that it is most likely made of silicate rock's like the Earth's crust. However, this planet is only 1.6mil miles from its sun, 23x closer than Mercury is to our sun. And as you can imagine, it can get pretty hot. Hot enough to vaporize rocks.

Using a computer model, researchers hypothesized the planet's atmospheric make up. COROT-7b most likely has an atmosphere of rock clouds or rock ingredients such as oxygen, potassium and silicon monoxide. They figured that as the vapors cool, it forms pebbles of solidified minerals and rain down into molten lava oceans.