Geminids
E531026
The Geminids are one of the most prominent annual meteor showers, known for their bright, numerous meteors that appear to radiate from the constellation Gemini each December.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Geminids canonical | 2 |
| Geminid meteor shower | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5573244 — 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: Geminids Context triple: [Gemini, containsMeteorShower, Geminids]
-
A.
Perseids
The Perseids were the mythological royal dynasty descended from the hero Perseus, associated with several legendary kings and heroes in Greek mythology.
-
B.
Alpha Capricornids
Alpha Capricornids is an annual meteor shower, active in mid-summer, known for producing relatively bright, slow-moving meteors and occasional fireballs.
-
C.
Chi Capricornids
The Chi Capricornids are a minor annual meteor shower that appears to radiate from the constellation Capricornus.
-
D.
Sigma Capricornids
The Sigma Capricornids are a minor annual meteor shower associated with the constellation Capricornus, producing relatively few but occasionally bright meteors.
-
E.
Iota Cancrids
The Iota Cancrids are a minor annual meteor shower that appears to radiate from the constellation Cancer.
- 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: Geminids Target entity description: The Geminids are one of the most prominent annual meteor showers, known for their bright, numerous meteors that appear to radiate from the constellation Gemini each December.
-
A.
Perseids
The Perseids were the mythological royal dynasty descended from the hero Perseus, associated with several legendary kings and heroes in Greek mythology.
-
B.
Alpha Capricornids
Alpha Capricornids is an annual meteor shower, active in mid-summer, known for producing relatively bright, slow-moving meteors and occasional fireballs.
-
C.
Chi Capricornids
The Chi Capricornids are a minor annual meteor shower that appears to radiate from the constellation Capricornus.
-
D.
Sigma Capricornids
The Sigma Capricornids are a minor annual meteor shower associated with the constellation Capricornus, producing relatively few but occasionally bright meteors.
-
E.
Iota Cancrids
The Iota Cancrids are a minor annual meteor shower that appears to radiate from the constellation Cancer.
- F. None of above. chosen
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf | meteor shower ⓘ |
| activityPeakMonth | December ⓘ |
| activityTrend | intensity has increased over the last century ⓘ |
| annualActivityEnd | mid-December ⓘ |
| annualActivityStart | early December ⓘ |
| bestViewingCondition |
after local midnight
ⓘ
away from city lights ⓘ with clear, dark skies ⓘ |
| culturalSignificance |
frequently covered in media each December
ⓘ
popular target for amateur astronomers ⓘ |
| discoveredBy |
B. V. Marsh
ⓘ
R. P. Greg ⓘ |
| discoveryYear | 1862 ⓘ |
| firstObservedAsWeakShower | late 19th century ⓘ |
| hemisphereVisibility |
Northern Hemisphere
ⓘ
Southern Hemisphere ⓘ |
| IAUShowerCode | GEM ⓘ |
| meteorColor |
often bright white
ⓘ
sometimes green ⓘ sometimes yellow ⓘ |
| meteorSpeed | about 35 km/s ⓘ |
| meteorType | mostly medium-speed meteors ⓘ |
| name |
Geminid meteor shower
ⓘ
linked to:
Geminids
|
| notableProperty |
meteors are often bright
ⓘ
meteors can be slow compared to some other showers ⓘ meteors often leave persistent trains ⓘ one of the most active annual meteor showers ⓘ |
| observationRequirement |
dark-adapted naked eye
ⓘ
no telescope required ⓘ |
| occursWhen | Earth passes through the debris stream of 3200 Phaethon ⓘ |
| origin | debris stream from 3200 Phaethon ⓘ |
| parentBody | 3200 Phaethon ⓘ |
| parentBodyAlternativeType | rock comet ⓘ |
| parentBodyDiscovery | 3200 Phaethon discovered in 1983 ⓘ |
| parentBodyOrbitalPeriod | about 1.43 years (3200 Phaethon) ⓘ |
| parentBodyType | rocky asteroid-like object ⓘ |
| radiantConstellation | Gemini ⓘ |
| radiantDeclination | +32° ⓘ |
| radiantLocationDescription | near the bright star Castor in Gemini ⓘ |
| radiantRightAscension | 07h 28m ⓘ |
| typicalPeakDateRange |
December 13
ⓘ
December 14 ⓘ |
| visibilityPattern | visible across much of the globe ⓘ |
| zenithalHourlyRate | up to about 120 meteors per hour under ideal conditions ⓘ |
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: Geminids Description of subject: The Geminids are one of the most prominent annual meteor showers, known for their bright, numerous meteors that appear to radiate from the constellation Gemini each December.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
constellation Gemini