100-inch Hooker telescope

E553793

The 100-inch Hooker telescope is a historic reflecting telescope at Mount Wilson Observatory, famous for Edwin Hubble’s observations that revealed the expanding universe and established galaxies beyond the Milky Way.

All labels observed (2)

Label Occurrences
Hooker Telescope 3
100-inch Hooker telescope canonical 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf astronomical observatory instrument ⓘ
historical scientific instrument ⓘ
reflecting telescope ⓘ
associatedWithDiscovery cosmological expansion (Hubble–Lemaître law) ⓘ
galaxies beyond the Milky Way ⓘ
completedIn 1917 ⓘ
constructionStarted 1908 ⓘ
eraOfMajorUse early 20th century ⓘ
firstLight 1917 ⓘ
fundedBy Carnegie Institution of Washington ⓘ
John Daggett Hooker ⓘ
hasAperture 100 inches ⓘ
2.5 meters ⓘ
hasCoordinateSystem equatorial coordinate system ⓘ
hasDome Mount Wilson 100-inch dome ⓘ
hasFocalLength approximately 15 meters ⓘ
heritageDesignation National Historic Landmark (as part of Mount Wilson Observatory site) ⓘ
locatedIn Los Angeles County, California ⓘ
linked to: Los Angeles County

Mount Wilson Observatory ⓘ
Mount Wilson, California ⓘ
San Gabriel Mountains ⓘ
United States ⓘ
mountType equatorial mount ⓘ
namedAfter John Daggett Hooker ⓘ
notableFor evidence that spiral nebulae are external galaxies ⓘ
measurements of Cepheid variable stars in spiral nebulae ⓘ
observations leading to discovery of the expanding universe ⓘ
observations of galaxies beyond the Milky Way ⓘ
operatedBy Carnegie Institution for Science ⓘ
Mount Wilson Observatory ⓘ
opticalDesign classical Cassegrain ⓘ
primaryMirrorDiameter 100 inches ⓘ
primaryMirrorMaterial glass ⓘ
replacedAsLargestBy 200-inch Hale telescope ⓘ
linked to: Hale Telescope
status historical research telescope ⓘ
partially retired from frontline research ⓘ
telescopeType Cassegrain reflector ⓘ
usedBy Edwin Hubble ⓘ
George Ellery Hale ⓘ
Milton Humason ⓘ
Walter Baade ⓘ
usedFor cosmology ⓘ
extragalactic astronomy ⓘ
photography ⓘ
spectroscopy ⓘ
stellar astronomy ⓘ
usedInPublication Edwin Hubble’s 1923–1924 papers on Cepheids in Andromeda ⓘ
Edwin Hubble’s 1929 paper on the relation between distance and radial velocity among extra-galactic nebulae ⓘ
wasLargestTelescopeInWorld 1917–1949 ⓘ

How these facts were elicited

Referenced by (4)

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

Mount Wilson Observatory → hasTelescope → 100-inch Hooker telescope ⓘ
John D. Hooker → supportedProject → Hooker Telescope ⓘ
linked to: 100-inch Hooker telescope
John D. Hooker → associatedWith → Hooker Telescope ⓘ
linked to: 100-inch Hooker telescope
Hubble → usedInstrument → Hooker Telescope ⓘ
linked to: 100-inch Hooker telescope