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William Wilson Morgan

William Wilson Morgan
Rojstvo3. januar 1906(((padleft:1906|4|0))-((padleft:1|2|0))-((padleft:3|2|0)))[1][2][3]
Bethesda[d]
Smrt21. junij 1994(((padleft:1994|4|0))-((padleft:6|2|0))-((padleft:21|2|0)))[1][2] (88 let)

William Wilson Morgan, ameriški astronom in astrofizik, * 3. januar 1906, Bethesda, Tennessee, ZDA, † 21. junij 1994, Williams Bay, Wisconsin, ZDA.

Življenje in delo

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Morgan je študiral na Univerzi v Chicagu, kjer je diplomiral leta 1927 in doktoriral leta 1931 pod mentorstvom Otta Struveja. Potem je delal na Observatoriju Yerkes v Williams Bayu pod okriljem Univerze v Chicagu in tu ostal vse življenje. Tri leta je bil tudi predstojnik observatorija.

V poznih 40. letih 20. stoletja je točno raziskoval velike modro-bele zvezde v naši Galaksiji. Te ionizirajo vodik v svoji okolici. Z meritvami spektralnega sevanja vodika je uspel določiti dele spiralne zgradbe naše Galaksije. Do tedaj so domnevali, da ima naša Galaksija takšno zgradbo, vendar je niso mogli dokazati. Spiralno zgradbo so še naprej analizirali z radijskim sevanjem neioniziranega vodika, ki jo je napovedal van de Hulst, medtem ko je Morgan še opravljal svoje raziskave.

Od leta 1947 do 1952 je bil urednik Astrophysical Journala.

Priznanja

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Nagrade

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Leta 1958 je za svoje znanstveno delo na področju astronomije prejel medaljo Bruceove. Leta 1961 mu je Ameriško astronomsko društvo za življenjsko delo podelilo lektorat Henryja Norrisa Russlla, leta 1980 pa je prejel medaljo Henryja Draperja.

Poimenovanja

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Po njem o imenovali asteroid 3180 Morgan.

Glej tudi

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Zunanje povezave

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  1. 1,0 1,1 Osterbrock D. E. Morgan, William Wilson (03 January 1906–21 June 1994), astronomer, world expert on the classification of the spectra of stars, and director of Yerkes Observatory // American National Biography Online[New York]: Oxford University Press, 2017. — ISSN 1470-6229doi:10.1093/ANB/9780198606697.ARTICLE.1302619
  2. 2,0 2,1 Gran Enciclopèdia CatalanaGrup Enciclopèdia, 1968.
  3. Brozović D., Ladan T. Hrvatska enciklopedijaLZMK, 1999. — 9272 p.
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William Wilson Morgan
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