Washington [US], June 2 (ANI): According to research at the Association of Universities for Research in Astronomy (AURA), researchers have developed a single atmospheric model that matches observations of both planets. The model reveals that excess haze on Uranus builds up in the planet's stagnant, sluggish atmosphere and makes it appear a lighter tone than Neptune Using observations from the Gemini North telescope, the NASA Infrared Telescope Facility, and the Hubble Space Telescope.