| Answer | Crossword Clue |
|---|---|
| OORTCLOUD | Comet-filled region of space |
| OORT | ... cloud (comet-filled region of space) |
| OORT | .. cloud: comet-filled region in interstellar space |
| trajectory | the curve that a body (as a planet or comet in its orbit or a rocket) describes in space |
| trajectories | TRAJECTORY, the curve that a body (as a planet or comet in its orbit or a rocket) describes in space |
