Related Clues:

• Factory stocking English revolver?
• In part, track orbiter
• Venus, for one
• Scheme with alien world
• World's energy consumed by factory
• Revolutionary body
• Gas giant, for one
• Earth perhaps flat – theory, originally
• Jupiter, e.g
• Solar system circler
• Alien after map for Mars, say?
• Temperature on flat earth?
• Factory containing last piece of satellite for Mars, perhaps
• It goes around in circles
• Celestial body, from a Greek word meaning “wanderer”