Enter a clue or pattern or both:
The Clue
It's 84 light-years away (7 letter answer)
The Answer
REGULUS
Tags
Notes
The answer REGULUS is so rare that it appears less than once every 2500 puzzles.
Definition
REGULUS as a noun:
1. the brightest star in Leo
2. (Regulus, genus Regulus) = a genus of birds of the family Sylviidae including kinglets