| 11. | "' IC 289 "'is a planetary nebula in the constellation Cassiopeia.
|
| 12. | Notable features include the open cluster NGC 6025 and planetary nebula NGC 5979.
|
| 13. | NGC 1501 is a planetary nebula located roughly 1.4?south of NGC 1502.
|
| 14. | The Medusa Nebula is another planetary nebula, some 1, 500 light years distant.
|
| 15. | At the time, it was designated simply as a small faint planetary nebula.
|
| 16. | The bipolar outflows from post-AGB stars eventually grow to form a planetary nebula.
|
| 17. | "' Fleming 1 "'is an unusual planetary nebula situated in the Centaurus constellation.
|
| 18. | Compared to the Helix Nebula, another planetary nebula in Aquarius, it is quite small.
|
| 19. | ** First, does planetary nebula even swallow and destroy planets.
|
| 20. | MWC 922 is a star surrounded by a planetary nebula.
|
