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- Philip_Childs_Keenan abstract "Philip Childs Keenan (March 31, 1908 – April 20, 2000) was an American astronomer.Keenan was an American spectroscopist who collaborated with William Wilson Morgan and Edith Kellman (1911–2007) to develop the MKK stellar spectral classification system between 1939 and 1943. This two-dimensional classification system (temperature & luminosity) was further revised by Morgan and Keenan in 1973. The MK system remains the standard stellar spectral classification system used by astronomers today.During their long collaboration, Keenan tended to focus his research on stars cooler than the Sun, while Morgan emphasized the hotter stars. Keenan had a long and productive career, publishing his final scientific paper in 1999, seventy years after his first.".
- Philip_Childs_Keenan birthDate "1908-03-31".
- Philip_Childs_Keenan birthPlace Bellevue,_Pennsylvania.
- Philip_Childs_Keenan birthPlace Pennsylvania.
- Philip_Childs_Keenan birthYear "1908".
- Philip_Childs_Keenan deathDate "2000-04-20".
- Philip_Childs_Keenan deathPlace Columbus,_Ohio.
- Philip_Childs_Keenan deathPlace Ohio.
- Philip_Childs_Keenan deathYear "2000".
- Philip_Childs_Keenan field Astronomer.
- Philip_Childs_Keenan nationality United_States.
- Philip_Childs_Keenan wikiPageExternalLink 10.1146%2Fannurev.aa.11.090173.000333.
- Philip_Childs_Keenan wikiPageExternalLink 2001BAAS...33.1574O.
- Philip_Childs_Keenan wikiPageExternalLink 317713.
- Philip_Childs_Keenan wikiPageExternalLink philip-c-keenan-92-pioneer-in-the-classification-of-stars.html?scp=2&sq=philip+keenan&st=nyt.
- Philip_Childs_Keenan wikiPageID "27586781".
- Philip_Childs_Keenan wikiPageLength "2756".
- Philip_Childs_Keenan wikiPageOutDegree "21".
- Philip_Childs_Keenan wikiPageRevisionID "665046311".
- Philip_Childs_Keenan wikiPageWikiLink Asteroid.
- Philip_Childs_Keenan wikiPageWikiLink Astronomer.
- Philip_Childs_Keenan wikiPageWikiLink Bellevue,_Pennsylvania.
- Philip_Childs_Keenan wikiPageWikiLink Category:1908_births.
- Philip_Childs_Keenan wikiPageWikiLink Category:2000_deaths.
- Philip_Childs_Keenan wikiPageWikiLink Category:American_astronomers.
- Philip_Childs_Keenan wikiPageWikiLink Columbus,_Ohio.
- Philip_Childs_Keenan wikiPageWikiLink List_of_minor_planets:_10001–11000.
- Philip_Childs_Keenan wikiPageWikiLink Ohio.
- Philip_Childs_Keenan wikiPageWikiLink Pennsylvania.
- Philip_Childs_Keenan wikiPageWikiLink Perkins_Observatory.
- Philip_Childs_Keenan wikiPageWikiLink Stellar_classification.
- Philip_Childs_Keenan wikiPageWikiLink United_States.
- Philip_Childs_Keenan wikiPageWikiLink William_Wilson_Morgan.
- Philip_Childs_Keenan wikiPageWikiLink Yerkes_Observatory.
- Philip_Childs_Keenan wikiPageWikiLinkText "Philip C. Keenan".
- Philip_Childs_Keenan wikiPageWikiLinkText "Philip Childs Keenan".
- Philip_Childs_Keenan wikiPageWikiLinkText "Philip Keenan".
- Philip_Childs_Keenan birthDate "1908-03-31".
- Philip_Childs_Keenan birthPlace "Bellevue, Pennsylvania, USA".
- Philip_Childs_Keenan dateOfBirth "1908-03-31".
- Philip_Childs_Keenan dateOfDeath "2000-04-20".
- Philip_Childs_Keenan deathDate "2000-04-20".
- Philip_Childs_Keenan deathPlace "Columbus, Ohio, USA".
- Philip_Childs_Keenan field Astronomer.
- Philip_Childs_Keenan name "Keenan, Philip".
- Philip_Childs_Keenan name "Philip Childs Keenan".
- Philip_Childs_Keenan nationality United_States.
- Philip_Childs_Keenan placeOfBirth "Bellevue, Pennsylvania, USA".
- Philip_Childs_Keenan placeOfDeath "Columbus, Ohio, USA".
- Philip_Childs_Keenan shortDescription "American astronomer".
- Philip_Childs_Keenan wikiPageUsesTemplate Template:Authority_control.
- Philip_Childs_Keenan wikiPageUsesTemplate Template:Birth_date.
- Philip_Childs_Keenan wikiPageUsesTemplate Template:Death_date_and_age.
- Philip_Childs_Keenan wikiPageUsesTemplate Template:Infobox_scientist.
- Philip_Childs_Keenan wikiPageUsesTemplate Template:Persondata.
- Philip_Childs_Keenan wikiPageUsesTemplate Template:US-astronomer-stub.
- Philip_Childs_Keenan workInstitutions Perkins_Observatory.
- Philip_Childs_Keenan workInstitutions Yerkes_Observatory.
- Philip_Childs_Keenan description "American astronomer".
- Philip_Childs_Keenan description "American astronomer".
- Philip_Childs_Keenan subject Category:1908_births.
- Philip_Childs_Keenan subject Category:2000_deaths.
- Philip_Childs_Keenan subject Category:American_astronomers.
- Philip_Childs_Keenan hypernym Keenan.
- Philip_Childs_Keenan type Agent.
- Philip_Childs_Keenan type Person.
- Philip_Childs_Keenan type Scientist.
- Philip_Childs_Keenan type Person.
- Philip_Childs_Keenan type Scientist.
- Philip_Childs_Keenan type Agent.
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- Philip_Childs_Keenan type Thing.
- Philip_Childs_Keenan type Q215627.
- Philip_Childs_Keenan type Q5.
- Philip_Childs_Keenan type Q901.
- Philip_Childs_Keenan type Person.
- Philip_Childs_Keenan comment "Philip Childs Keenan (March 31, 1908 – April 20, 2000) was an American astronomer.Keenan was an American spectroscopist who collaborated with William Wilson Morgan and Edith Kellman (1911–2007) to develop the MKK stellar spectral classification system between 1939 and 1943. This two-dimensional classification system (temperature & luminosity) was further revised by Morgan and Keenan in 1973.".
- Philip_Childs_Keenan label "Philip Childs Keenan".
- Philip_Childs_Keenan sameAs Q2086095.
- Philip_Childs_Keenan sameAs Philip_Childs_Keenan.
- Philip_Childs_Keenan sameAs Philip_C._Keenan.
- Philip_Childs_Keenan sameAs Philip_Childs_Keenan.
- Philip_Childs_Keenan sameAs Philip_C._Keenan.
- Philip_Childs_Keenan sameAs Philip_Keenan.
- Philip_Childs_Keenan sameAs m.0fq0n4j.
- Philip_Childs_Keenan sameAs பிலிப்_சைல்ட்சு_கீனான்.
- Philip_Childs_Keenan sameAs Q2086095.
- Philip_Childs_Keenan wasDerivedFrom Philip_Childs_Keenan?oldid=665046311.
- Philip_Childs_Keenan givenName "Philip".
- Philip_Childs_Keenan isPrimaryTopicOf Philip_Childs_Keenan.
- Philip_Childs_Keenan name "Keenan, Philip".
- Philip_Childs_Keenan name "Philip Childs Keenan".
- Philip_Childs_Keenan name "Philip Keenan".
- Philip_Childs_Keenan surname "Keenan".