Related Clues:

• Halley's namesake
• The earth turns on it
• Y, for one
• Rotation line
• Alliance of nations
• Celestial streaker
• Flier with Cupid
• Symmetry line
• Allies foe
• Allies' opponents
• x or y
• Globe's spindle
• Kohoutek, e.g.
• Pole connector
• High-flying reindeer