Hazy hydrocarbons explain why Pluto is even colder than expected
By 
Katrina Krämer2017-11-16T11:54:00
Dwarf planet might have unique atmosphere whose temperature is regulated by tiny particles
A haze of hydrocarbon particles in its atmosphere might be the reason Pluto is cooler than had been predicted. This makes the dwarf planet the only solar system planetary bodies whose temperature isn’t principally controlled by gases.