Related Clues:

• Sky sight
• Supermarket tabloid subject
• Sky light?
• Subject of a grainy picture?
• ET's ride
• ET's craft
• Tabloid topic
• Spooky sighting
• Amateur video subject, maybe
• See 10-Down
• NASA concern
• It may be produced by swamp gas
• Mystery blip
• Dish
• Sci-fi vehicle