Star-gazer (10)
I believe the answer is:
astronomer
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">star-gazer</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for astronomer that I've seen before include "Sky-at-night observer" , "Dorado may be contemplated by me" , "Space studier" , "Star-watcher" , "Stargazer" .)