Satellite, e.g.
Else clues• Earth, for one
• It goes around the world
• Many a heavenly body
• Mars Observer, e.g.
• NASA launch
• NASA vehicle
• One that gets around?
• One who's been around the world?
• Planet or moon, e.g.
• Planet, e.g.
• Round tripper?
• Satellite
• Space shuttle component
• Space shuttle, e.g.
• Sputnik, e.g.
• Venus, e.g.
• What goes around