Biosphere 2
E132406
Biosphere 2 is a large, enclosed ecological research facility in Arizona designed to study Earth systems and support experiments on closed ecological environments.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Biosphere 2 canonical | 8 |
| Biosphere 2 research facility | 2 |
| Biosphere 2 Center | 1 |
| Biosphere 2 experiment | 1 |
| Biosphere 2 mission 1 | 1 |
| Biosphere 2 mission 2 | 1 |
| Biosphere 2 project | 1 |
| Biosphere 2 site, Oracle, Arizona | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1153315 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Biosphere 2 Context triple: [University of Arizona, hasResearchCenter, Biosphere 2]
-
A.
Ecosphere
Ecosphere is an open-access, peer-reviewed scientific journal published by the Ecological Society of America that covers all aspects of ecology and environmental science.
-
B.
Sunsphere
The Sunsphere is a 266-foot-tall, gold-glass observation tower built as the symbol of the 1982 World's Fair in Knoxville, Tennessee.
-
C.
Nature Lab
Nature Lab is a hands-on natural science and materials resource center at the Rhode Island School of Design that provides students with access to biological specimens, tools, and interdisciplinary learning about the natural world.
-
D.
Lovelock
Lovelock is a small city in northwestern Nevada that serves as the county seat and primary community of Pershing County.
-
E.
The Living Planet
The Living Planet is a landmark BBC nature documentary series presented by David Attenborough that explores the diversity of life and the ecosystems of Earth.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Biosphere 2 Target entity description: Biosphere 2 is a large, enclosed ecological research facility in Arizona designed to study Earth systems and support experiments on closed ecological environments.
-
A.
Ecosphere
Ecosphere is an open-access, peer-reviewed scientific journal published by the Ecological Society of America that covers all aspects of ecology and environmental science.
-
B.
Sunsphere
The Sunsphere is a 266-foot-tall, gold-glass observation tower built as the symbol of the 1982 World's Fair in Knoxville, Tennessee.
-
C.
Nature Lab
Nature Lab is a hands-on natural science and materials resource center at the Rhode Island School of Design that provides students with access to biological specimens, tools, and interdisciplinary learning about the natural world.
-
D.
Lovelock
Lovelock is a small city in northwestern Nevada that serves as the county seat and primary community of Pershing County.
-
E.
The Living Planet
The Living Planet is a landmark BBC nature documentary series presented by David Attenborough that explores the diversity of life and the ecosystems of Earth.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
closed ecological system
ⓘ
ecological research facility ⓘ research station ⓘ |
| architect | Peter Pearce ⓘ |
| Biosphere 2 mission 1 | 1991–1993 ⓘ |
| Biosphere 2 mission 2 | 1994 ⓘ |
| climate | semi-arid ⓘ |
| constructionEndDate | 1991 ⓘ |
| constructionStartDate | 1987 ⓘ |
| coordinateLatitude | 32.583 ⓘ |
| coordinateLongitude | -110.851 ⓘ |
| country | United States of America ⓘ |
| currentUse |
research facility
ⓘ
tourist attraction ⓘ |
| developer | Space Biospheres Ventures ⓘ |
| enclosedVolume | about 200000 cubic meters ⓘ |
| floorArea | 12700 square meters ⓘ |
| fundedBy | Edward Bass ⓘ |
| hasGlassArea | over 6000 glass panels ⓘ |
| hasPart |
agricultural area
ⓘ
coral reef biome ⓘ fog desert biome ⓘ human habitat area ⓘ lung structures ⓘ ocean biome ⓘ rainforest biome ⓘ savanna biome ⓘ technosphere ⓘ |
| inception | 1987 ⓘ |
| isEnclosed | true ⓘ |
| locatedIn |
Arizona
ⓘ
Oracle, Arizona ⓘ Pinal County, Arizona ⓘ |
| locatedOn | Earth ⓘ |
| namedAfter | biosphere ⓘ |
| near | Santa Catalina Mountains ⓘ |
| notableExperiment |
Biosphere 2 mission 1
ⓘ
linked to:
Biosphere 2
Biosphere 2 mission 2 ⓘ
linked to:
Biosphere 2
|
| numberOfCrewInMission1 | 8 ⓘ |
| opened | 1991 ⓘ |
| operator | University of Arizona ⓘ |
| ownedBy | University of Arizona ⓘ |
| partOf |
Earth systems science research
ⓘ
linked to:
Earth system science
|
| purpose |
research global environmental change
ⓘ
study Earth system science ⓘ study closed ecological systems ⓘ support space colonization research ⓘ |
| website | https://biosphere2.org/ ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Biosphere 2 Description of subject: Biosphere 2 is a large, enclosed ecological research facility in Arizona designed to study Earth systems and support experiments on closed ecological environments.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Biosphere 2
linked to: Biosphere 2
subject linked to:
College of Science
linked to: Biosphere 2
linked to: Biosphere 2
linked to: Biosphere 2
linked to: Biosphere 2
linked to: Biosphere 2
linked to: Biosphere 2