Dyson sphere concept
E17016
The Dyson sphere concept is a hypothetical megastructure that completely or partially surrounds a star to capture a significant portion of its energy output for an advanced civilization’s use.
Aliases (2)
- Dyson sphere ×2
- Dyson swarm ×2
Statements (53)
| Predicate | Object |
|---|---|
| instanceOf |
astroengineering concept
→
hypothetical megastructure concept → theoretical construct → |
| appliesTo |
stars
→
|
| associatedWith |
Kardashev scale
→
Type II civilization → extraterrestrial intelligence → waste heat infrared signatures → |
| category |
megastructures in astronomy
→
|
| describedAs |
hypothetical megastructure that surrounds a star to capture a large fraction of its energy output
→
|
| DysonBubbleDefinition |
set of statites using light pressure to hover around a star
→
|
| DysonShellDefinition |
rigid continuous shell completely enclosing a star
→
|
| DysonSwarmDefinition |
large number of independent orbiting collectors around a star
→
|
| energySource |
stellar radiation
→
|
| engineeringChallenge |
enormous material requirements
→
long-term structural integrity → orbital stability → thermal management → |
| feasibilityStatus |
speculative
→
|
| field |
SETI
→
astroengineering → astronomy → futures studies → |
| firstDescribedIn |
Science journal paper "Search for Artificial Stellar Sources of Infrared Radiation"
→
|
| goal |
capture stellar energy for an advanced civilization
→
maximize usable energy from a star → |
| implication |
civilization with energy use comparable to total output of its star
→
|
| inspiredBy |
Olaf Stapledon
→
|
| inspiredByWork |
Star Maker
→
|
| namedAfter |
Freeman Dyson
→
|
| observationalSignature |
star with reduced visible light and increased infrared output
→
|
| originalPurpose |
method to search for advanced extraterrestrial civilizations
→
predict observational signatures of large-scale astroengineering → |
| proposedBy |
Freeman Dyson
→
|
| publicationYear |
1960
→
|
| relatedConcept |
Alderson disk
→
Niven ring → Ringworld → stellar engine → |
| requires |
extremely advanced technology
→
large-scale space industry → massive energy investment → |
| scale |
stellar scale megastructure
→
|
| searchMethod |
infrared sky surveys
→
looking for excess mid-infrared emission from stars → |
| usedIn |
science fiction
→
speculative science → |
| variant |
Dyson bubble
→
Dyson ring → Dyson shell → Dyson swarm → Matrioshka brain → partial Dyson sphere → |
Referenced by (5)
| Subject (surface form when different) | Predicate |
|---|---|
|
Kardashev scale
("Dyson sphere")
→
Kardashev scale ("Dyson swarm") → |
relatedConcept |
|
Search for Artificial Stellar Sources of Infrared Radiation
("Dyson sphere")
→
|
mainSubject |
|
Freeman Dyson
→
|
notableWork |
|
Dyson sphere concept
("Dyson swarm")
→
|
variant |