| Answer | Crossword Clue |
|---|---|
| ASTRAL | Like galaxies |
| COSMIC | Like galaxies and nebulae |
| ISLANDUNIVERSES | Galaxies |
| NEBULAS | Galaxies |
| NEBULAE | Galaxies |
| NEBULAR | Of galaxies |
| NEBULAE | Components of galaxies. |
| NEBULAE | Parts of galaxies |
| SPACE | Region of galaxies. |
| VOIDS | Spaces between galaxies |
| ONEARTH | Not traveling the galaxies |
| NEBULA | Group of distant galaxies |
| EDWINHUBBLE | Astronomer who determined that there were other galaxies beyond the Milky Way |
