Wikidata:WikiProject Astronomy/Ontology

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Ontology

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Ontology

• Astronomical objects can be classified in two ways: using property subclass of (P279) and part of (P361).
• Every astronomical objects should have an instance of instance of (P31) with an item of these ontology.

Ontologies under construction

Ontology with subclass of (P279)

The "radix" item is astronomical object (Q6999).

Tree with P279

astronomical object (Q6999)

1. void (Q845371)^*

2. supercluster (Q27521)^*

3. galaxy group or cluster (Q17512228)

1. galaxy group (Q1491746)^*

2. galaxy cluster (Q204107)^*

4. galaxy (Q318)^*

5. interstellar cloud (Q1054444) - tree with P279

1. nebula (Q42372)

1. emission nebula (Q202265)

1. supernova remnant (Q207436)^*

2. pulsar wind nebula (Q1810024)^*

3. H II region (Q11282)^*

4. planetary nebula (Q13632)^*

5. Herbig–Haro object (Q50048)^*

2. reflection nebula (Q203958)

1. protoplanetary nebula (Q2035809)^*

2. variable nebula (Q2311388)^*

3. dark nebula (Q204194)^*

4. diffuse nebula (Q854857)^*

2. molecular cloud (Q272447)

1. giant molecular cloud (Q15622832)^*

3. H I region (Q528404)

1. high-velocity cloud (Q11690047)

6. star cluster (Q168845) - tree with P279

1. globular cluster (Q11276)^*

1. blue globular clusters (Q882646)^*

2. open cluster (Q11387)^*

3. super star cluster (Q650001)^*

4. stellar association (Q736194)^*

1. OB association (Q921336)^*

Ontology with part of (P361)

The "radix item is Universe (Q1).

Tree with P361

Universe (Q1)

1. void (Q845371)

2. supercluster (Q27521)

1. galaxy group (Q1491746)

2. galaxy cluster (Q204107)

3. galaxy group or cluster (Q17512228)

1. galaxy (Q318)

1. interstellar cloud (Q1054444)

2. nebula (Q42372)

3. emission nebula (Q202265)

4. supernova remnant (Q207436)

5. pulsar wind nebula (Q1810024)

6. H II region (Q11282)

7. planetary nebula (Q13632)

8. Herbig–Haro object (Q50048)

9. reflection nebula (Q203958)

10. protoplanetary nebula (Q2035809)

11. variable nebula (Q2311388)

12. dark nebula (Q204194)

13. diffuse nebula (Q854857)

14. molecular cloud (Q272447)

15. giant molecular cloud (Q15622832)

16. H I region (Q528404)

17. high-velocity cloud (Q11690047)

18. star cluster (Q168845)

19. globular cluster (Q11276)

20. blue globular clusters (Q882646)

21. open cluster (Q11387)

22. super star cluster (Q650001)

23. stellar association (Q736194)

24. OB association (Q921336)

 

Monitor of the ontology with part of (P361)

Item	Property	Expected value	Found value
void	subclass of	astronomical object	[[astronomical object]]
supercluster	subclass of	astronomical object	[[astronomical object]]
galaxy group or cluster	subclass of	astronomical object	[[gravitationally bound system]] [[cluster]]
galaxy	subclass of	astronomical object	[[deep-sky object]]
interstellar cloud	subclass of	astronomical object	[[astronomical object]]
star cluster	subclass of	astronomical object	[[deep-sky object]]
galaxy group	subclass of	galaxy group or cluster	[[galaxy group or cluster]]
galaxy cluster	subclass of	galaxy group or cluster	[[galaxy group or cluster]] [[deep-sky object]]
nebula	subclass of	interstellar cloud	[[interstellar cloud]] [[deep-sky object]]
molecular cloud	subclass of	interstellar cloud	[[interstellar cloud]] [[nebula]]
H I region	subclass of	interstellar cloud	[[interstellar cloud]] [[region of space]]
emission nebula	subclass of	nebula	[[nebula]] [[astronomical object]]
reflection nebula	subclass of	nebula	[[nebula]] [[astronomical object]]
dark nebula	subclass of	nebula	[[nebula]]
diffuse nebula	subclass of	nebula	[[nebula]]
supernova remnant	subclass of	emission nebula	[[emission nebula]]
pulsar wind nebula	subclass of	emission nebula	[[emission nebula]]
H II region	subclass of	emission nebula	[[emission nebula]]
planetary nebula	subclass of	emission nebula	[[emission nebula]]
Herbig–Haro object	subclass of	emission nebula	[[emission nebula]]
protoplanetary nebula	subclass of	reflection nebula	[[reflection nebula]]
variable nebula	subclass of	reflection nebula	[[reflection nebula]]
globular cluster	subclass of	star cluster	[[star cluster]]
blue globular clusters	subclass of	globular cluster	[[globular cluster]]
open cluster	subclass of	star cluster	[[star cluster]]
super star cluster	subclass of	star cluster	[[star cluster]]
stellar association	subclass of	star cluster	[[star cluster]]
OB association	subclass of	stellar association	[[stellar association]]

Lists

• Wikidata:WikiProject Astronomy/List of planets