Local Hot Bubble
E100913
The Local Hot Bubble is a vast, low-density region of extremely hot, X-ray–emitting gas in the interstellar medium surrounding the Sun.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Local Bubble | 1 |
| Local Hot Bubble canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T868877 — 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: Local Hot Bubble Context triple: [Local Bubble, hasAlternativeName, Local Hot Bubble]
-
A.
Cozy Cone Pool
Cozy Cone Pool is a Cars-themed swimming pool at Disney's Art of Animation Resort, featuring cone-shaped cabanas and playful décor inspired by Radiator Springs.
-
B.
Ballomar
Ballomar was a 2nd-century chieftain of the Marcomanni who led major Germanic incursions into the Roman Empire during the Marcomannic Wars.
-
C.
Hotter than July
Hotter than July is a 1980 Stevie Wonder studio album blending R&B, soul, and reggae influences, best known for songs like "Master Blaster (Jammin')" and "Happy Birthday."
-
D.
Big Blue Pool
Big Blue Pool is a large, Finding Nemo–themed outdoor swimming pool at Disney’s Art of Animation Resort in Walt Disney World.
-
E.
Rock Bottom Riser
"Rock Bottom Riser" is a melancholic, introspective folk song by Smog (Bill Callahan), noted for its sparse arrangement and emotionally resonant lyrics.
- 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: Local Hot Bubble Target entity description: The Local Hot Bubble is a vast, low-density region of extremely hot, X-ray–emitting gas in the interstellar medium surrounding the Sun.
-
A.
Cozy Cone Pool
Cozy Cone Pool is a Cars-themed swimming pool at Disney's Art of Animation Resort, featuring cone-shaped cabanas and playful décor inspired by Radiator Springs.
-
B.
Ballomar
Ballomar was a 2nd-century chieftain of the Marcomanni who led major Germanic incursions into the Roman Empire during the Marcomannic Wars.
-
C.
Hotter than July
Hotter than July is a 1980 Stevie Wonder studio album blending R&B, soul, and reggae influences, best known for songs like "Master Blaster (Jammin')" and "Happy Birthday."
-
D.
Big Blue Pool
Big Blue Pool is a large, Finding Nemo–themed outdoor swimming pool at Disney’s Art of Animation Resort in Walt Disney World.
-
E.
Rock Bottom Riser
"Rock Bottom Riser" is a melancholic, introspective folk song by Smog (Bill Callahan), noted for its sparse arrangement and emotionally resonant lyrics.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
astrophysical structure
ⓘ
hot ionized medium region ⓘ interstellar medium cavity ⓘ |
| adjacentTo |
Loop I superbubble
ⓘ
Sco-Cen superbubble ⓘ
linked to:
Loop I superbubble
|
| affects |
propagation of cosmic rays in the local interstellar medium
ⓘ
structure of nearby interstellar clouds ⓘ |
| alternativeName |
Local Bubble
ⓘ
linked to:
Local Hot Bubble
Local Hot Cavity ⓘ |
| boundedBy |
denser neutral interstellar clouds
ⓘ
walls of cold and warm gas ⓘ |
| contains |
Local Interstellar Cloud at its edge
ⓘ
solar neighborhood ⓘ |
| distanceTo | Sun is near its interior ⓘ |
| emits |
extreme ultraviolet radiation
ⓘ
soft X-rays ⓘ |
| extendsFrom | Galactic plane to several hundred light-years in various directions ⓘ |
| formedBy |
multiple supernova explosions
ⓘ
stellar winds from massive stars ⓘ |
| hasAge | on the order of 10 to 20 million years (approximate) ⓘ |
| hasDensity |
about 0.005 particles per cubic centimeter
ⓘ
very low ⓘ |
| hasPhase | hot ionized medium ⓘ |
| hasRadius |
about 100 parsecs
ⓘ
about 300 light-years ⓘ |
| hasShape | roughly irregular cavity ⓘ |
| hasTemperature |
about 1 million kelvin
ⓘ
on the order of 10^6 K ⓘ |
| hasUncertainty |
exact origin and number of supernovae are uncertain
ⓘ
exact size and shape are not well constrained ⓘ |
| influences |
local interstellar radiation field
ⓘ
soft X-ray background observed from Earth ⓘ |
| isComponentOf | multi-phase interstellar medium ⓘ |
| isExampleOf | superbubble ⓘ |
| isFilledWith |
hot ionized gas
ⓘ
plasma ⓘ |
| likelyOriginatedFrom | supernovae in the Scorpius–Centaurus OB association ⓘ |
| locatedIn |
Milky Way
ⓘ
Orion Arm ⓘ |
| observedVia |
extreme ultraviolet observations
ⓘ
soft X-ray background mapping ⓘ |
| partOf | local interstellar medium ⓘ |
| relatedTo |
Local Cavity
ⓘ
Local Interstellar Cloud ⓘ Loop I Bubble ⓘ |
| studiedBy |
Chandra X-ray Observatory
ⓘ
ROSAT X-ray satellite ⓘ
linked to:
ROSAT
XMM-Newton ⓘ
linked to:
XMM-Newton (US archive)
|
| surrounds | Sun ⓘ |
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: Local Hot Bubble Description of subject: The Local Hot Bubble is a vast, low-density region of extremely hot, X-ray–emitting gas in the interstellar medium surrounding the Sun.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Local Hot Bubble