Modified Newtonian Dynamics
E808785
Modified Newtonian Dynamics is an alternative theory of gravity proposed to explain galaxy rotation curves and other astrophysical phenomena without invoking dark matter.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
alternative theory of gravity
ⓘ
theory in astrophysics ⓘ |
| abbreviation | MOND NERFINISHED ⓘ |
| aimsToExplain |
Tully–Fisher relation
NERFINISHED
ⓘ
baryonic Tully–Fisher relation NERFINISHED ⓘ dynamics of low surface brightness galaxies ⓘ galaxy rotation curves ⓘ mass discrepancy in galaxies ⓘ mass discrepancy–acceleration relation ⓘ radial acceleration relation NERFINISHED ⓘ |
| appliesTo | low-acceleration regime ⓘ |
| category |
alternative cosmological model
ⓘ
modified gravity theory ⓘ |
| contrastsWith |
cold dark matter model
ⓘ
dark matter hypothesis ⓘ |
| explainsWithout | non-baryonic dark matter in galaxies ⓘ |
| facesChallengeFrom |
Bullet Cluster observations
NERFINISHED
ⓘ
cosmic microwave background observations ⓘ galaxy cluster dynamics ⓘ large-scale structure formation ⓘ |
| field |
astrophysics
ⓘ
cosmology ⓘ theoretical physics ⓘ |
| hasApproximateValueFor_a0 | 1.2e-10 m/s^2 ⓘ |
| hasKeyConcept |
Newtonian regime
ⓘ
deep-MOND regime ⓘ interpolation function ⓘ modified Poisson equation ⓘ |
| hasRelativisticExtension |
BIMOND
NERFINISHED
ⓘ
Einstein–Aether–MOND theories NERFINISHED ⓘ TeVeS NERFINISHED ⓘ Tensor–Vector–Scalar theory NERFINISHED ⓘ |
| hasSupportFrom |
fits to rotation curves of dwarf galaxies
ⓘ
fits to rotation curves of spiral galaxies ⓘ |
| influenced | development of relativistic MOND-like theories ⓘ |
| introduces | characteristic acceleration scale ⓘ |
| isConsidered | controversial in mainstream cosmology ⓘ |
| modifies |
Newtonian dynamics
ⓘ
Newtonian law of gravity NERFINISHED ⓘ |
| predicts |
asymptotically flat galaxy rotation curves
ⓘ
specific relation between baryonic mass and rotation velocity ⓘ tight baryonic Tully–Fisher relation ⓘ |
| proposedBy | Mordehai Milgrom NERFINISHED ⓘ |
| proposedInYear | 1983 ⓘ |
| relatedTo |
emergent gravity hypotheses
ⓘ
f(R) gravity NERFINISHED ⓘ scalar–tensor theories of gravity ⓘ |
| symbolForCharacteristicAcceleration | a0 ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.