Related Clues:

• Theme of this puzzle
• Astronomer's sighting
• Hale-Bopp, e.g.
• Part of a belt
• Kitchen cleanser
• Doomsday cause, maybe
• Sun circler
• Common cleanser
• Streaker in the night sky
• Celestial object
• Miniplanet
• Bill Haley bandmate
• Space rock
• Heavenly body with a tail
• Rival of Ajax