James Peebles

 James Peebles
2010
Personlig information
FødtPhillip James Edwin Peebles Rediger på Wikidata
25. april 1935 (89 år)
Winnipeg, Manitoba, Canada Rediger på Wikidata
Uddannelse og virke
Uddannelses­stedUniversity of Manitoba,
Princeton Universitet,
Glenlawn Collegiate[1] Rediger på Wikidata
Medlem afRoyal Society (fra 1982),
National Academy of Sciences (fra 1988),
American Academy of Arts and Sciences,
American Physical Society,
Internationale Astronomiske Union med flere Rediger på Wikidata
BeskæftigelseAstronom, universitetsunderviser, fysiker, astrofysiker Rediger på Wikidata
FagområdeKosmologi Rediger på Wikidata
ArbejdsgiverPrinceton Universitet Rediger på Wikidata
Nomineringer og priser
UdmærkelserGruber Prize in Cosmology (2000),
Companion of the Order of Canada (2020),
Karl G. Jansky Lectureship,
Harvey-prisen (2001),
Henry Norris Russell-lektorat (1993) med flere Rediger på Wikidata
Nobelpris  Fysik 2019
Information med symbolet Billede af blyant hentes fra Wikidata. Kildehenvisninger foreligger sammesteds.

Phillip James Edwin Peebles OM FRS (født 25. april 1935) er en canadisk-amerikansk astrofysiker, astronom og teoretisk kosmolog, der er Albert Einstein Professor of Science, Emeritus, på Princeton University.[2][3] Han bliver betragtet som en af verdens ledende teoretisk kosmologer sinde 1970, og han bidraget med store teoretiske opdagelser inden for Big Bang-nukleosyntese, mørkt stof, kosmisk baggrundsstråling og stofdannelse.

Peebles modtog halvdelen af nobelprisen i fysik i 2019 for sine teoretiske opdagelser i fysisk kosmologi.[4] Han delte den med Michel Mayor og Didier Queloz for deres opdagelse af en exoplanet, der cirkulerer omkring en sollignende stjerne.[5][6][7] Under sit foredrag i forbindelse med prisen udtalte Peebles, at han ikke foretrækker "Big Bang-teori", da "det antyder tilstedeværelsen af en begivenhed og et sted, hvilket er ganske forkert." Mens meget af hans forskning omhandler universets udvikling efter de første få sekunder, så er han mere skeptisk overfor, hvad vi kan vide om de allerførste øjeblikke, og han har udtalt "Det er meget uheldigt at man tænker på begyndelsen, når vi i virkeligheden ikke har nogen god teori om noget som begyndelsen."[8]

Peebles beskriver sig selv som agnostiker.[9]

Referencer

  1. ^ Navnet er anført på svensk og stammer fra Wikidata hvor navnet endnu ikke findes på dansk.
  2. ^ "Princeton University Physics Department". Arkiveret fra originalen 11. maj 2011.
  3. ^ "Princeton University News". Arkiveret fra originalen 13. april 2016.
  4. ^ Hooper, Dan (12. oktober 2019). "A Well-Deserved Physics Nobel - Jim Peebles' award honors modern cosmological theory at last". Scientific American. Hentet 13. oktober 2019.
  5. ^ "The Nobel Prize in Physics 2019". Nobel Media AB. Hentet 8. oktober 2019.
  6. ^ Chang, Kenneth; Specia, Megan (8. oktober 2019). "Nobel Prize in Physics Awarded for Cosmic Discoveries - The cosmologist James Peebles split the prize with the astrophysicists Michel Mayor and Didier Queloz, for work the Nobel judges said "transformed our ideas about the cosmos."". The New York Times. Hentet 8. oktober 2019.
  7. ^ Kaplan, Sarah (8. oktober 2019). "Nobel Prize in physics awarded for research on exoplanets and the structure of the universe". Washington Post. Hentet 13. oktober 2019.
  8. ^ Couronne, Ivan (14. november 2019). "Top cosmologist's lonely battle against 'Big Bang' theory". Phys.org. Hentet 14. november 2019.
  9. ^ "Jim Peebles - Session II". www.aip.org (engelsk). 2015-04-01. Hentet 2019-10-29.

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