Nothing obvious, but more than likely the answer is Kyper Belt (Kuiper belt),
Neptune
The average surface temperature is 72 K.
Neptune
a key is a landform that starts with a k and a knoll is a landform that starts with K and means a hill.
Koala cola, that starts with a k.!
Ketchup is edible and starts with K.
Potassium' formula is 'K' , from the Latin for 'Kalium'.
No U.S. state capital starts with K.
Is there a player who starts with k
a game that starts with the letter K
You shut the kitchen door. It starts with the letter k.
K-mart