Enter a clue or pattern or both:
The Clue
Sites for stargazers (10 letter answer)
The Answer
PLANETARIA
Tags
Notes
The answer PLANETARIA is so rare that it appears less than once every 2500 puzzles.
Definition
PLANETARIUM as a noun:
1. a building housing an instrument for projecting the positions of the planets onto a domed ceiling
2. an optical device for projecting images of celestial bodies and other astronomical phenomena onto the inner surface of a hemispherical dome
3. an apparatus or model for representing the solar systems