Celestial body has surface to identify (9)
I believe the answer is:
planetoid
'celestial body' is the definition.
(I know that planetoid is a type of celestial body)
'surface to identify' is the wordplay.
I cannot quite understand how this works, but
'surface' could be 'plane' (I've seen this before) and 'plane' is found within the answer.
'to' is found in the answer.
The remaining letters 'id' is a valid word which might be clued in a way I don't understand.
This may be the basis of the clue (or it may be nonsense).
'has' is the link.
Can you help me to learn more?
(Other definitions for planetoid that I've seen before include "heavenly body" , "Out-of-this-world body" , "space traveller" .)