| Answer | Crossword Clue |
|---|---|
| antiworld | a hypothetical world composed of antimatter |
| antiworlds | ANTIWORLD, a hypothetical world composed of antimatter |
| PLANETX | Term coined by Percival Lowell for a hypothetical world beyond Neptune |
| Answer | Crossword Clue |
|---|---|
| antiworld | a hypothetical world composed of antimatter |
| antiworlds | ANTIWORLD, a hypothetical world composed of antimatter |
| PLANETX | Term coined by Percival Lowell for a hypothetical world beyond Neptune |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.