Pan-STARRS image of PSO J318.5-22

Multicolor image of the free-floating planet PSO J318.5-22 from the Pan-STARRS 1 telescope, in the constellation of Capricornus. The planet is extremely cold and faint, about 100 billion times fainter in optical light than the planet Venus. Most of its energy is emitted at infrared wavelengths. The image is 125 arcseconds on a side.