Saturn at Night . ... Credit Copyright: Cassini Imaging Team , SSI , JPL , ESA , NASA Explanation: This is what Saturn looks like at night. In contrast to the human-made lights that cause the nighttime side of Earth to glow faintly, Saturn's faint nighttime glow is primarily caused by sunlight reflecting off of its own majestic rings . The above image of Saturn at night was captured in July by the Cassini spacecraft now orbiting Saturn. ... NASA Web Site Statements, Warnings, and Disclaimers . ...