Arguably some of the weirdest, most extreme planets among the more than 4,000 exoplanets discovered to date are the hot super-Earths—rocky, flaming-hot worlds that zing so precariously close to their host stars that some of their surfaces are likely melted seas of molten lava.
Click here for original story, Lava oceans may not explain the brightness of some hot super-Earths
Source: Phys.org