Astronomical unit of distance (6)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">astronomical unit of distance</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for parsec that I've seen before include "Unit for measurement of distance of stars" , "far in the distance" , "Unit of astronomical length" , "Enormous distance" , "Unit of distance in astronomy" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">astronomical unit of distance</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for light year that I've seen before include "such a long way to travel" , "0.3066 parsecs" , "About nine point five million million kilometres" , "a very great distance" , "Astronomical unit of distance" .)