This video says about itself:
11 June 2015
Using NASA’s Hubble Telescope, scientists detected a stratosphere on the planet WASP-33b. A stratosphere occurs when molecules in the atmosphere absorb ultraviolet and visible light from the star. This absorption warms the stratosphere and acts as a kind of sunscreen layer for the planet below.
A planet similar in mass to Jupiter, and orbiting a sunlike star at about the same distance as the real Jupiter, may have been identified by scientists — and the alien solar system may have more planets like our own: here.