| Answer | Crossword Clue |
|---|---|
| ASTR | Hubble's sci. |
| GALAXY | Hubble's law subject |
| Answer | Crossword Clue |
|---|---|
| ASTR | Hubble's sci. |
| GALAXY | Hubble's law subject |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.