Jupiter's Great Red Spot storm, which usually appears dark-red, can be seen shining a lurid blue color in an ultraviolet ...
Jupiter, Mars, Venus and Saturn are all visible to the naked eye ... "Though the storm appears red to the human eye, in this ultraviolet image, it appears darker because high-altitude haze ...
The data used to create the image is from a Hubble Space Telescope project to capture and map Jupiter's superstorm system.