| Answer | Crossword Clue |
|---|---|
| caves | hollow space in the earth |
| cave | hollow space in the earth |
| CAVE | Hollow in the earth |
| LOOSELEGEND | The story of "Sleepy Hollow" set in outer space (or wherever else comes to mind)? |
| airspaces | Space available in the atmosphere immediately above the earth |
| astrobiology | The branch of biology concerned with the study of life on earth and in space |
| degrees | position or space on the earth or in the heavens as measured by degrees of latitude |
