Scientists just discovered a planet so hot it might actually evaporate

Here in our own planetary system, humanity has spent the vast majority of its time studying planets that are rather chilly. Jupiter, Saturn, and even Mars range from cold to downright frigid. But now, researchers have discovered an exoplanet so unbelievably hot that it's actually really difficult to even imagine it. It's a world known as KELT-9b, and it's so steamy that its atmosphere is hotter than many stars. The planet, which is a gas giant, orbits its star so closely that it manages to comp...