Related Clues:

• 15-Across was one in 21 of his 23 seasons
• Cowboy's symbol
• Walk of Fame feature
• Galaxy standout
• Symbol on a Top Gun jet
• Preeminent
• Red giant or white dwarf
• Old Glory feature
• Astro's cap insignia
• Kindergarten 'grade'
• Badge shape
• ___ quality
• Top athlete
• Big Dipper point
• Box-office draw