MOND
E808786
MOND (Modified Newtonian Dynamics) is an alternative theory of gravity proposed to explain galaxy rotation curves without invoking dark matter.
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
alternative theory of gravity
ⓘ
modified dynamics theory ⓘ physical theory ⓘ |
| abbreviationOf | Modified Newtonian Dynamics NERFINISHED ⓘ |
| accelerationThreshold | about 1e-10 m/s^2 ⓘ |
| addressesProblem |
flat galaxy rotation curves
ⓘ
mass discrepancy in galaxies ⓘ |
| alternativeTo |
cold dark matter
ⓘ
ΛCDM model NERFINISHED ⓘ |
| appliesTo |
dwarf galaxies
ⓘ
low surface brightness galaxies ⓘ spiral galaxies ⓘ |
| basedOn | modification of Newtonian dynamics at low accelerations ⓘ |
| comparedTo | dark matter hypothesis ⓘ |
| countryOfOrigin | Israel NERFINISHED ⓘ |
| criticizedFor |
difficulty explaining galaxy clusters without dark matter
ⓘ
tension with some cosmological observations ⓘ |
| field |
astrophysics
ⓘ
cosmology ⓘ gravitational physics ⓘ |
| fullName | Modified Newtonian Dynamics NERFINISHED ⓘ |
| hasKeyParameter | a0 ⓘ |
| hasVariant |
AQUAL
ⓘ
TeVeS NERFINISHED ⓘ relativistic MOND theories ⓘ |
| influenced | development of relativistic modified gravity theories ⓘ |
| introducesConcept | characteristic acceleration scale a0 ⓘ |
| languageOfOriginalPapers | English ⓘ |
| mainPurpose | explain galaxy rotation curves without dark matter ⓘ |
| predicts |
asymptotically flat rotation curves of spiral galaxies
ⓘ
baryonic Tully–Fisher relation NERFINISHED ⓘ tight mass–discrepancy–acceleration relation ⓘ |
| proposedBy | Mordehai Milgrom NERFINISHED ⓘ |
| publishedIn | Astrophysical Journal NERFINISHED ⓘ |
| reducesTo | Newtonian dynamics at high accelerations ⓘ |
| regimeOfModification | low-acceleration regime ⓘ |
| relatedTo |
dark matter problem
ⓘ
mass discrepancy problem ⓘ |
| requires | interpolation function between Newtonian and MOND regimes ⓘ |
| status |
controversial
ⓘ
minority view in cosmology ⓘ |
| supportedBy | empirical scaling relations in disk galaxies ⓘ |
| symbolForAccelerationScale | a0 ⓘ |
| testedBy |
galaxy rotation curve observations
ⓘ
gravitational lensing studies ⓘ |
| yearProposed | 1983 ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.