Alderson disk
E94836
An Alderson disk is a hypothetical megastructure consisting of a gigantic, flat disk-shaped habitat encircling a star, proposed as an extreme example of astroengineering and space-based living space.
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
astroengineering concept
→
hypothetical megastructure → space habitat concept → |
| appearsIn |
science fiction worldbuilding
→
speculative science discussions → |
| category |
hypothetical space habitat
→
stellar megastructure → |
| consideredAs |
extreme example of astroengineering
→
|
| cosmicScale |
stellar
→
|
| discussedIn |
online megastructure analyses
→
|
| encircles |
star
→
|
| fieldOfStudy |
futurism
→
space colonization → theoretical megastructures → |
| hasComponent |
central hole for star
→
|
| hasFeature |
artificial gravity from rotation
→
enormous habitable surface area → extreme engineering difficulty → potential structural stability issues → potential thermal management challenges → very high mass requirement → |
| hasLimitation |
difficult radiation shielding over entire surface
→
likely gravitational instability → unrealistic material strength requirements → |
| hasOrientation |
perpendicular to star’s gravitational field
→
|
| hasPotentialUse |
long-term space-based civilization
→
supporting extremely large populations → |
| hasScale |
megastructure
→
|
| hasShape |
disk-shaped
→
|
| hasStructureType |
flat disk
→
|
| inspiredBy |
ideas of large-scale space habitats
→
|
| orbits |
star
→
|
| proposedBy |
Dan Alderson
→
|
| relatedTo |
Dyson sphere
NERFINISHED
→
Niven ring → Ringworld NERFINISHED → |
| requires |
advanced materials science
→
extreme energy resources → highly advanced engineering → |
| status |
not physically realized
→
|
| usedAs |
habitat
→
space-based living space → |
Referenced by (2)
| Subject (surface form when different) | Predicate |
|---|---|
|
Dyson sphere concept
→
|
relatedConcept |
|
Niven ring
→
|
relatedTo |