| Answer | Crossword Clue |
|---|---|
| supercluster | a group of gravitationally associated clusters of galaxies |
| supercluster | A cluster of galaxies which themselves occur as clusters |
| Answer | Crossword Clue |
|---|---|
| supercluster | a group of gravitationally associated clusters of galaxies |
| supercluster | A cluster of galaxies which themselves occur as clusters |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.