Related Clues:

• ___ & Telescope magazine
• Where a telescope is aimed
• Boundary not to be crossed
• Place to dive from
• Sun's setting
• Many jigsaw pieces
• Word with ''blue'' or ''high''
• Jet's place
• Plane's place
• It's often blue
• Plane place
• Zeus' realm
• Light blue shade
• ''Wild blue yonder''
• "Lucy in the __ with Diamonds"