| Answer | Crossword Clue |
|---|---|
| PLANETARY | Kind of nebula |
| SPIRAL | Type of nebula. |
| NOVA | Origin of the Crab Nebula |
| filaments | A narrow streamer of gas in an interstellar cloud or nebula |
| DUNE | First winner of the Nebula Award for best science fiction novel (1965) |
| globules | A small dark cloud of gas and dust seen against a brighter background such as a luminous nebula |
| coalsack | A dark nebula of dust near the Southern Cross that gives the appearance of a gap in the stars of the Milky Way |
