Moon
E4619
The Moon is Earth's only natural satellite, a rocky celestial body that orbits our planet and significantly influences tides, calendars, and human culture.
All labels observed (6)
| Label | Occurrences |
|---|---|
| Moon canonical | 290 |
| the Moon | 17 |
| The Moon | 3 |
| the moon | 3 |
| Earth’s Moon | 2 |
| Earth's Moon | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T34553 — 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: Moon Context triple: [Earth, hasNaturalSatellite, Moon]
-
A.
Earth
Earth is the third planet from the Sun and the only known world to support life, characterized by vast oceans, diverse ecosystems, and a protective atmosphere.
-
B.
Saturn
Saturn was an American automobile manufacturer created by General Motors as a separate, innovative small-car brand aimed at competing with Japanese imports.
-
C.
Sun
The Sun is the massive, luminous star at the center of our solar system that provides the light and heat necessary for life on Earth.
-
D.
Yma Sumac
Yma Sumac was a renowned Peruvian soprano celebrated for her extraordinary vocal range and exoticized "Incan princess" persona in mid-20th-century popular and classical music.
-
E.
Pale Blue Dot
"Pale Blue Dot" is a popular science book by Carl Sagan that reflects on humanity’s place in the universe, inspired by the famous Voyager 1 photograph of Earth from deep space.
- 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: Moon Target entity description: The Moon is Earth's only natural satellite, a rocky celestial body that orbits our planet and significantly influences tides, calendars, and human culture.
-
A.
Earth
Earth is the third planet from the Sun and the only known world to support life, characterized by vast oceans, diverse ecosystems, and a protective atmosphere.
-
B.
Saturn
Saturn was an American automobile manufacturer created by General Motors as a separate, innovative small-car brand aimed at competing with Japanese imports.
-
C.
Sun
The Sun is the massive, luminous star at the center of our solar system that provides the light and heat necessary for life on Earth.
-
D.
Yma Sumac
Yma Sumac was a renowned Peruvian soprano celebrated for her extraordinary vocal range and exoticized "Incan princess" persona in mid-20th-century popular and classical music.
-
E.
Pale Blue Dot
"Pale Blue Dot" is a popular science book by Carl Sagan that reflects on humanity’s place in the universe, inspired by the famous Voyager 1 photograph of Earth from deep space.
- F. None of above. chosen
Statements (75)
| Predicate | Object |
|---|---|
| instanceOf |
astronomical object
ⓘ
celestial body ⓘ natural satellite ⓘ rocky body ⓘ |
| age | about 4.5 billion years ⓘ |
| albedo | 0.12 ⓘ |
| apparentMagnitudeAtFull | about −12.7 ⓘ |
| averageAngularDiameterFromEarth | about 0.5 degrees ⓘ |
| averageDistanceFromSun | about 1 AU (via Earth’s orbit) ⓘ |
| averageOrbitalSpeed | 1.022 km/s ⓘ |
| belongsTo | Solar System ⓘ |
| causes |
lunar eclipses
ⓘ
solar eclipses ⓘ |
| culturalSignificance |
important in literature
ⓘ
important in mythology ⓘ important in religion ⓘ |
| diameter | 3474.8 km ⓘ |
| eccentricity | 0.0549 ⓘ |
| equatorialCircumference | 10921 km ⓘ |
| escapeVelocity | 2.38 km/s ⓘ |
| firstHumanLandingDate | 1969-07-20 ⓘ |
| firstHumanLandingMission | Apollo 11 ⓘ |
| firstHumansOnSurface |
Buzz Aldrin
ⓘ
Neil A. Armstrong ⓘ
surface form:
Neil Armstrong
|
| firstSuccessfulFlybyBy | Luna 1 ⓘ |
| firstSuccessfulImpactBy | Luna 2 ⓘ |
| firstSuccessfulOrbiter | Luna 10 ⓘ |
| formationHypothesis | giant impact hypothesis ⓘ |
| governingTreaty |
Moon Agreement (limited signatories)
ⓘ
Outer Space Treaty ⓘ |
| hasAtmosphereType | extremely tenuous exosphere ⓘ |
| hasBeenVisitedByHumans | true ⓘ |
| hasExplorationProgram | Apollo program ⓘ |
| hasNaturalResources |
helium-3 (trace amounts)
ⓘ
water ice in polar regions ⓘ |
| hasPhaseCycle | lunar phases ⓘ |
| inclinationToEarthEquator | 18.3–28.6 degrees ⓘ |
| inclinationToEcliptic | 5.145 degrees ⓘ |
| influences |
Earth’s axial stability
ⓘ
many human calendars ⓘ ocean tides on Earth ⓘ |
| isAlsoCalled |
Moon
ⓘ
surface form:
Earth’s Moon
Luna ⓘ |
| isOnlyNaturalSatelliteOf | Earth ⓘ |
| isSatelliteOf | Earth ⓘ |
| mass | 7.342×10^22 kg ⓘ |
| massRelativeToEarth | 0.0123 Earth masses ⓘ |
| meanDensity | 3.344 g/cm³ ⓘ |
| meanOrbitalDistanceFromEarth | 384400 km ⓘ |
| meanRadius | 1737.4 km ⓘ |
| numberOfCrewedLandings | 6 ⓘ |
| orbitalPeriod | 27.321661 days ⓘ |
| orbits | Earth ⓘ |
| primaryConstituents |
aluminum
ⓘ
calcium ⓘ iron ⓘ magnesium ⓘ oxygen (in minerals) ⓘ silicon ⓘ |
| rotationalState | tidally locked to Earth ⓘ |
| rotationPeriod | 27.321661 days ⓘ |
| semiMajorAxis | 384399 km ⓘ |
| surfaceArea | 3.793×10^7 km² ⓘ |
| surfaceFeatures |
highlands
ⓘ
impact craters ⓘ lunar maria ⓘ mountain ranges ⓘ rilles ⓘ |
| surfaceGravity | 1.62 m/s² ⓘ |
| surfaceTemperatureRange | about −173 to +127 °C ⓘ |
| synodicPeriod | 29.53059 days ⓘ |
| usedIn |
lunar calendars
ⓘ
lunisolar calendars ⓘ |
| visibleFrom | Earth with naked eye ⓘ |
| volume | 2.1958×10^10 km³ ⓘ |
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: Moon Description of subject: The Moon is Earth's only natural satellite, a rocky celestial body that orbits our planet and significantly influences tides, calendars, and human culture.
Referenced by (316)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
David R. Scott
subject surface form:
PFS-1
subject surface form:
PFS-1
this entity surface form:
The Moon
subject surface form:
Russell (lunar crater)
subject surface form:
Mare Cognitum
subject surface form:
Mare Cognitum
subject surface form:
Mare Cognitum
subject surface form:
Chandrayaan-1
subject surface form:
HySI
subject surface form:
SARA
subject surface form:
SARA
this entity surface form:
the Moon
this entity surface form:
the Moon
this entity surface form:
the Moon