Zone of Avoidance

E517966

The Zone of Avoidance is a region of the sky heavily obscured by the Milky Way’s dust and stars, making observations of extragalactic objects within it particularly difficult.

All labels observed (3)

How this entity was disambiguated

Statements (48)

Predicate Object
instanceOf astronomical concept ⓘ
region of the sky ⓘ
alsoAffects near‑infrared observations ⓘ
alsoKnownAs Zone of Avoidance of galaxies ⓘ
linked to: Zone of Avoidance

galactic Zone of Avoidance ⓘ
causeOfObscuration dense star fields in the Milky Way ⓘ
interstellar dust in the Milky Way ⓘ
centeredOn Galactic plane ⓘ
characterizedBy high extinction ⓘ
high stellar density ⓘ
definedRelativeTo Milky Way ⓘ
dependsOn distribution of dust in the Milky Way ⓘ
line of sight through the Galactic disk ⓘ
effect incompleteness of galaxy catalogs near the Galactic plane ⓘ
reduced visibility of extragalactic objects ⓘ
hasConsequence biases in estimates of local gravitational potential ⓘ
uncertainty in mass distribution near the Milky Way ⓘ
hasProperty direction‑dependent extinction ⓘ
non‑uniform boundaries ⓘ
historicallyIdentifiedBy optical galaxy counts ⓘ
isSubsetOf celestial sphere ⓘ
lessSevereIn X‑ray wavelengths ⓘ
radio wavelengths ⓘ
locatedIn sky ⓘ
mainlyAffects optical observations ⓘ
makesDifficult identification of galaxy clusters behind the Milky Way ⓘ
mapping large‑scale structure of the Universe ⓘ
mitigatedBy infrared observations of galaxies ⓘ
multi‑wavelength observations ⓘ
radio observations of galaxies ⓘ
obscures background galaxies ⓘ
background galaxy clusters ⓘ
quasars behind the Milky Way ⓘ
observedUsing 21‑cm neutral hydrogen surveys ⓘ
X‑ray cluster surveys ⓘ
infrared all‑sky surveys ⓘ
problemFor all‑sky galaxy redshift surveys ⓘ
cosmic flow studies ⓘ
reconstruction of the density field of nearby Universe ⓘ
relatedTo Great Attractor ⓘ
Local Supercluster ⓘ
linked to: Virgo Supercluster

cosmic large‑scale structure ⓘ
requires correction methods in cosmological analyses ⓘ
stillRelevantIn modern all‑sky surveys ⓘ
studiedIn Galactic astronomy ⓘ
cosmology ⓘ
extragalactic astronomy ⓘ
typicalAngularWidth about 10–20 degrees around the Galactic plane ⓘ

How these facts were elicited

Referenced by (4)

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

Norma Cluster → locatedInRegionOfSky → Zone of Avoidance ⓘ
Zone of Avoidance → alsoKnownAs → Zone of Avoidance of galaxies ⓘ
linked to: Zone of Avoidance
Zone of Avoidance of the Milky Way → alsoKnownAs → Galactic Zone of Avoidance ⓘ
linked to: Zone of Avoidance