Nebula
Messier 42 (Orion Nebula)
A bright diffuse nebula and active star-forming region in the sword of Orion.
- Type
- Nebula
- Domain
- Scientific connections
- Connections
- 2
- Type: Nebula
- Domain: Scientific connections
Experience system V6
Nebular structure profile
A visual story for gas, dust, ionization, star-forming context, and observational imagery.
- 01
Observe
The page falls back to graph and source evidence when no cleared image is available.
- 02
Measure
Measurement panels use graph coverage, catalog identifiers, and source availability without inventing values.
- 03
Locate
Part of Messier Catalogue.
- 04
Connect
2 graph relations shape the knowledge viewport.
- Object type
- Nebula
- Graph relations
- 2
- Verified sources
- 1
- Image records
- 0
- Domain
- Scientific connections
- Status
- Graph entity
Scientific map
Atlas context
- Part of
Messier Catalogue
- Located in
Orion
Original SVG diagram
Deep-sky morphology
- Object class
- Nebula
- Catalog numbers
- Not recorded
- Image records
- 0
- Graph relations
- 2
Visual knowledge graph
Relationships, not isolated facts
This viewport is generated from the Asteria knowledge graph. Science, culture, and interpretive links remain separated by domain so visual context never changes the evidentiary meaning of a relation.
- Part ofMessier Catalogue
- Located inOrion
Continue the atlas
Curated next objects
Messier Catalogue
A catalogue of 110 deep-sky objects compiled by Charles Messier.
constellationOrion
nebulaMessier 43 (De Mairan's Nebula)
An emission nebula in Orion that forms part of the larger Orion Nebula complex.
nebulaMessier 78
A reflection nebula in Orion, the brightest diffuse reflection nebula in the sky.
nebulaFlame Nebula
H II region in Orion, magnitude 11.
nebulaFlame Nebula (NGC 2024)
An emission nebula and star-forming region in Orion, near the star Alnitak.
Data
Scientific data & provenance
Data & provenance
- Stable ID
nebula:messier-42- Type
- Nebula
- Domain
- Scientific connections
- Relationships
- 2
- Graph version
- 1.0.0
Dataset membership
Open data
In the graph export: graph.json · graph.jsonld
Planned API: GET /api/v0/entities/nebula:messier-42
Scientific quality
Partial1 of 6 applicable dimensions complete, 2 partial
- Description
- Complete
- Source coverage
- Partial
- Relationship coverage
- Partial
- Review coverage
- None
- Citation coverage
- None
- Image coverage
- None
- Timeline coverage
- Not applicable
Scientific entity. Dimensions that cannot apply to this object are excluded rather than counted as gaps. See the evidence framework and authority dashboard.
You might also explore
- NebulaMessier 43 (De Mairan's Nebula)Linked through Messier Catalogue
- NebulaMessier 78Linked through Messier Catalogue
- NebulaFlame NebulaLinked through Orion
- NebulaFlame Nebula (NGC 2024)Linked through Orion
- NebulaLower SwordLinked through Orion
- NebulaMessier 1 (Crab Nebula)Linked through Messier Catalogue
Sources & references
The primary and reference sources this topic draws on.
- NASANational Aeronautics and Space Administration
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.