Birla Planetarium, Kolkata
E165934
Birla Planetarium, Kolkata is one of Asia’s largest and oldest planetariums, renowned for its domed theater and educational astronomical shows in the heart of the city.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Birla Planetarium, Kolkata canonical | 1 |
| MP Birla Planetarium | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1436147 — 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: Birla Planetarium, Kolkata Context triple: [St. Paul’s Cathedral, Kolkata, nearbyLandmark, Birla Planetarium, Kolkata]
-
A.
Tara Mandir Planetarium
Tara Mandir Planetarium is a popular astronomical attraction in Porbandar, India, featuring educational shows and exhibits about space and celestial phenomena.
-
B.
Jantar Mantar, New Delhi
Jantar Mantar, New Delhi is an 18th-century astronomical observatory built by Maharaja Jai Singh II, featuring large masonry instruments used for precise naked-eye observations of celestial bodies.
-
C.
Jantar Mantar, Jaipur
Jantar Mantar, Jaipur is an early 18th-century astronomical observatory in Rajasthan, India, renowned for its large masonry instruments used to measure time and track celestial bodies and recognized as a UNESCO World Heritage Site.
-
D.
Jantar Mantar, Varanasi
Jantar Mantar, Varanasi is an 18th-century astronomical observatory in Varanasi, India, featuring masonry instruments built by Maharaja Jai Singh II for precise celestial observations and timekeeping.
-
E.
Jantar Mantar, Mathura
Jantar Mantar, Mathura is an 18th-century astronomical observatory in Uttar Pradesh, India, built by Maharaja Sawai Jai Singh II for precise celestial observations and timekeeping.
- 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: Birla Planetarium, Kolkata Target entity description: Birla Planetarium, Kolkata is one of Asia’s largest and oldest planetariums, renowned for its domed theater and educational astronomical shows in the heart of the city.
-
A.
Tara Mandir Planetarium
Tara Mandir Planetarium is a popular astronomical attraction in Porbandar, India, featuring educational shows and exhibits about space and celestial phenomena.
-
B.
Jantar Mantar, New Delhi
Jantar Mantar, New Delhi is an 18th-century astronomical observatory built by Maharaja Jai Singh II, featuring large masonry instruments used for precise naked-eye observations of celestial bodies.
-
C.
Jantar Mantar, Jaipur
Jantar Mantar, Jaipur is an early 18th-century astronomical observatory in Rajasthan, India, renowned for its large masonry instruments used to measure time and track celestial bodies and recognized as a UNESCO World Heritage Site.
-
D.
Jantar Mantar, Varanasi
Jantar Mantar, Varanasi is an 18th-century astronomical observatory in Varanasi, India, featuring masonry instruments built by Maharaja Jai Singh II for precise celestial observations and timekeeping.
-
E.
Jantar Mantar, Mathura
Jantar Mantar, Mathura is an 18th-century astronomical observatory in Uttar Pradesh, India, built by Maharaja Sawai Jai Singh II for precise celestial observations and timekeeping.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
educational institution
ⓘ
planetarium ⓘ tourist attraction ⓘ |
| alsoKnownAs |
Birla Planetarium, Kolkata
ⓘ
surface form:
MP Birla Planetarium
|
| category |
Planetaria in India
ⓘ
Science museums in India ⓘ Tourist attractions in Kolkata ⓘ |
| country | India ⓘ |
| hasArchitecturalStyle | Buddhist stupa-inspired architecture ⓘ |
| hasDomeDiameter | approximately 23 meters ⓘ |
| hasExhibits |
astronomical instruments
ⓘ
astronomical models ⓘ space mission displays ⓘ |
| hasFeature |
astronomy museum
ⓘ
domed theater ⓘ exhibition gallery ⓘ large dome ⓘ star projector ⓘ |
| hasSeatingCapacity | approximately 500 ⓘ |
| hasStatus |
one of the largest planetariums in Asia
ⓘ
one of the oldest planetariums in Asia ⓘ |
| hasTechnology |
digital projection system
ⓘ
optical-mechanical projector (earlier) ⓘ |
| inauguratedBy | Jawaharlal Nehru ⓘ |
| languageOfShows |
Bengali
ⓘ
English ⓘ Hindi ⓘ |
| locatedIn |
Chowringhee Road
ⓘ
surface form:
Chowringhee
Calcutta ⓘ
surface form:
Kolkata
West Bengal ⓘ |
| locatedNear |
Maidan area of Kolkata
ⓘ
surface form:
Maidan, Kolkata
St. Paul’s Cathedral, Kolkata ⓘ Victoria Memorial, Kolkata ⓘ |
| namedAfter | Birla family ⓘ |
| offers |
astronomical shows
ⓘ
educational programs ⓘ school group shows ⓘ |
| openingDate | 1963 ⓘ |
| operatedBy | Birla Education Trust ⓘ |
| organizes |
public lectures on astronomy
ⓘ
special shows during astronomical events ⓘ special shows during eclipses ⓘ |
| renovated | 2016 ⓘ |
| reopenedAfterRenovation | 2017 ⓘ |
| subjectFocus |
astronomy
ⓘ
astrophysics ⓘ space science ⓘ |
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: Birla Planetarium, Kolkata Description of subject: Birla Planetarium, Kolkata is one of Asia’s largest and oldest planetariums, renowned for its domed theater and educational astronomical shows in the heart of the city.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
MP Birla Planetarium