Related Clues:

• Trip around the world
• It's a ball
• Round-the-world trip
• Sphere of activity
• Sideless solid
• Baseball, but not football
• Rocket's course
• Sphere of action
• It's a round trip
• Bubble, e.g.
• Ride around
• Circle the Earth
• Satellite track
• What an astronaut may get into
• Celestial route