Enter a clue or pattern or both:
The Clue
Astronomical distances (7 letter answer)
The Answer
PARSECS
Tags
Notes
The answer PARSECS is so rare that it appears less than once every 2500 puzzles.
Definition
PARSEC as a noun:
1. (parsec, secpar) = a unit of astronomical length based on the distance from Earth at which stellar parallax is 1 second of arc; equivalent to 3.262 light years