Possible Clues:

• Quintet in an ''Executive Clicker''
• Bubbles and marbles
• '... harmony in the motion and magnitude of the __ ... ': Copernicus
• Glowing globes, maybe
• Love’s about romantic bliss primarily in a poet’s eyes
• 20-Acrosses, poetically
• Peepers, to poets
• Spherical objects in old Scottish bank
• Many snow globes
• Sun, moon and stars