Small, cool and sulfurous exoplanet may help write recipe for planetary formation
A surprising yellow haze of sulfur dioxide in the atmosphere of a gas "dwarf" exoplanet about 96 light years away from our own solar system makes the planet a prime target for scientists trying to understand how worlds are formed. Astronomers discovered the planet, GJ 3470 b, in 2012 when the planet's shadow crossed the star it orbits. GJ 3470 b is located in the constellation Cancer and i