Laniakea Supercluster

E21901
cosmic structure galaxy supercluster

Laniakea Supercluster is a vast cosmic structure encompassing the Milky Way and hundreds of thousands of other galaxies, forming one of the largest known galaxy superclusters in the observable universe.

Jump to: Surface forms Statements Referenced by

Observed surface forms (1)

Surface form Occurrences
Virgo Supercluster region 1

Statements (46)

Predicate Object
instanceOf cosmic structure ⓘ
galaxy supercluster ⓘ
announcedIn 2014 ⓘ
approximateDiameter 520 million light-years ⓘ
approximateNumberOfGalaxies 100000 ⓘ
several hundred thousand ⓘ
approximateRadius 260 million light-years ⓘ
boundedBy basins of attraction ⓘ
centerOfMassRegion Hydra–Centaurus Supercluster ⓘ
surface form: Great Attractor
contains Hydra–Centaurus Supercluster ⓘ
surface form: Great Attractor region

Hydra–Centaurus Supercluster ⓘ
Local Group ⓘ
Milky Way ⓘ
Virgo Cluster ⓘ
coordinateSystem supergalactic coordinates ⓘ
cosmicWebRole node in large-scale structure ⓘ
cosmologicalScale hundreds of megaparsecs ⓘ
cosmologyModelContext Lambda-CDM model ⓘ
definedBy flow lines of galaxy motions ⓘ
discoveredBy Brent Tully ⓘ
Daniel Pomarède ⓘ
Hélène Courtois ⓘ
Yehuda Hoffman ⓘ
discoveryMethod galaxy peculiar velocity mapping ⓘ
distanceToEdgeFromMilkyWay ~250 million light-years ⓘ
galaxyFlowDirection toward Great Attractor ⓘ
hasNotableFeature includes region historically called Great Attractor ⓘ
hasProperty defined kinematically rather than by density alone ⓘ
gravitationally unbound on largest scales ⓘ
includes Centaurus Cluster ⓘ
Norma Cluster ⓘ
Hydra–Centaurus Supercluster ⓘ
surface form: Pavo–Indus filament
includesFormerlyClassifiedAs Virgo Supercluster ⓘ
locatedIn nearby universe ⓘ
mass ~1×10^17 solar masses ⓘ
nameLanguage Hawaiian ⓘ
nameMeaning immense heaven ⓘ
neighboringStructure Perseus–Pisces Supercluster ⓘ
Shapley Supercluster ⓘ
observedUsing Cosmicflows-2 data set ⓘ
partOf observable universe ⓘ
publication Nature ⓘ
redshiftRange approximately z < 0.1 ⓘ
researchField cosmology ⓘ
extragalactic astronomy ⓘ
scaleComparison one of the largest known galaxy superclusters ⓘ

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Local Group → isLocatedIn → Laniakea Supercluster ⓘ
this entity surface form: Virgo Supercluster region
Local Group → partOf → Laniakea Supercluster ⓘ
Milky Way → partOf → Laniakea Supercluster ⓘ