nebula
C16565
concept
A nebula is a vast cloud of gas and dust in space, often serving as a stellar nursery where new stars are born.
All labels observed (10)
| Label | Occurrences |
|---|---|
| nebula canonical | 12 |
| bipolar nebula | 1 |
| interstellar nebula | 1 |
| nebula region | 1 |
| nebular core | 1 |
| nova | 1 |
| planetaryNebula | 1 |
| reflection nebulae | 1 |
| shock-excited nebula | 1 |
| variable nebula | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: nebula
Generated description
A nebula is a vast cloud of gas and dust in space, often serving as a stellar nursery where new stars are born.
Instances (21)
| Instance | Via concept surface |
|---|---|
|
NGC 281 (Pacman Nebula)
surface form:
NGC 281
|
— |
| Lagoon Nebula | — |
| 30 Doradus | — |
|
Lepus
surface form:
IC418
|
planetaryNebula |
|
Herbig–Haro objects
surface form:
Herbig–Haro object
|
shock-excited nebula |
| M20 | — |
|
reflection nebula NGC 6726
surface form:
NGC 6726
|
— |
| NGC 2237–9 | nebula region |
| Running Man Nebula | — |
|
NGC 2023 reflection nebula
surface form:
NGC 2023
|
— |
| S106 nebula | bipolar nebula |
| NGC 2359 | — |
| NGC 6523 | — |
| Hourglass region | nebular core |
| IC 1848 | — |
| Hubble’s Variable Nebula | — |
| NGC 2261 | variable nebula |
| Sh 2-276 | interstellar nebula |
| Nova Cygni 1886 | nova |
| IC 349 | — |
| Pleiades reflection nebulae | reflection nebulae |