Local Void
E550696
The Local Void is a vast, relatively empty region of space near the Milky Way, characterized by a very low density of galaxies compared to surrounding cosmic structures.
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf | large-scale structure feature ⓘ |
| adjacentTo |
Local Group
NERFINISHED
ⓘ
Milky Way galaxy NERFINISHED ⓘ Virgo Supercluster region NERFINISHED ⓘ |
| affects | local flow of galaxies ⓘ |
| characterizedBy |
underdense region of the universe
ⓘ
very low density of galaxies ⓘ |
| cosmologicalContext | near the Milky Way galaxy ⓘ |
| cosmologicalScale | tens of megaparsecs ⓘ |
| densityContrast | negative relative to mean cosmic density ⓘ |
| discoveredBy | Brent Tully NERFINISHED ⓘ |
| discoveryMethod | galaxy redshift surveys ⓘ |
| hasAlternativeDescription | vast relatively empty region of space near the Milky Way ⓘ |
| hasApproximateSize |
on the order of 150 million light-years across
ⓘ
tens of megaparsecs across ⓘ |
| hasBoundaryDefinedBy | surrounding walls and filaments of galaxies ⓘ |
| hasGalaxyDensity | much lower than that of typical cosmic filaments and walls ⓘ |
| hasProperty |
contains far fewer galaxies than surrounding regions
ⓘ
gravitationally underdense compared to cosmic average ⓘ |
| influences |
motion of the Milky Way relative to the cosmic microwave background
ⓘ
peculiar velocities of nearby galaxies ⓘ |
| isExampleOf | void in the cosmic web ⓘ |
| locatedIn |
local volume within a few hundred million light-years
ⓘ
nearby universe ⓘ |
| observedIn | distribution of nearby galaxies ⓘ |
| partOf | local large-scale structure around the Local Group ⓘ |
| relatedTo |
Local Sheet
NERFINISHED
ⓘ
Local Supercluster NERFINISHED ⓘ |
| studiedUsing |
galaxy redshift catalogs
ⓘ
peculiar velocity fields ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.