List of largest nebulae
Below is a list of the largest nebulae so far discovered, ordered by size.
List
- This list is incomplete; you can help by expanding it.
| Lyman-alpha blob |
| Nebula |
| Nebula | Size (ly/pc) | Type | Notes |
|---|---|---|---|
| LAB Giant Concentration (coinciding with EQ J221734.0+001701) |
200,000,000 ly (61,000,000 pc) | complex of LαBs | Also on record as one of the largest structures in the universe. |
| NGC 262 Halo Cloud | 2,600,000 ly (800,000 pc) | H I region | Spiral nebula surrounding NGC 262. NGC 262 is also one of the largest known galaxies. |
| Magellanic Stream | 600,000 ly (180,000 pc) | complex of HVCs | Connects the Large and Small Magellanic clouds; extends across 180° of the sky. |
| Lyman-alpha blob 1 | 300,000 ly (92,000 pc) | LαB | Largest blob of the LAB Giant Concentration |
| Hanny's Voorwerp | 100,000 ly (31,000 pc) | intergalactic cloud | A quasar ionization echo cloud |
| Himiko Gas Cloud | 55,000 ly (17,000 pc) | intergalactic cloud (possible LαB) |
One of the most massive nebulae known |
| Cygnus Rift | 30,000 ly (9,200 pc) | complex of dark nebulae | Extends almost 100° of the sky |
| Smith's Cloud | 9,800 ly (3,000 pc) | HVC | Extends about 20° of the sky |
| Westerhout 31 | 3,000 ly (920 pc) | complex of H II regions | Located on the far side of our galaxy; largest H II region in the galaxy and in the Local Group |
| NGC 604 | 1,500 ly (460 pc) | H II region | Located in the Triangulum Galaxy |
| Carina Nebula | 1,000 ly (310 pc) | Nebula complex | Nearest giant H II region to Earth |
| Tarantula Nebula | 1,000 ly (310 pc) | H II region | Most active starburst region in the Local Group |
| Eagle Nebula | 800 ly (250 pc) | ||
| Rosette Nebula | 500 ly (150 pc) | H II region |
See also
- List of largest cosmic structures
- List of largest galaxies
- List of largest stars
- List of largest planets
References
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