Related Clues:

• Net destination
• It's over your head
• eBay address
• Chicken Little's concern
• Surfer's entry, maybe
• Home page address, e.g.
• Astronomer's focus
• It may be bookmarked
• It's up there
• Fifth element
• Pilot's domain
• Firmament
• Some people reach for it
• Internet address
• Cyber address