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Hubble Space Telescope Cosmic Background Explorer (COBE) 1990 — Preliminary results from NASA's COBE mission confirm the cosmic microwave background radiation is an isotropic blackbody to an astonishing one part in 105 precision, thus eliminating the possibility of an integrated starlight model proposed for the background by steady state enthusiasts. ----------- 21 January 1990 discovery of 5330 Senrikyu 27 January 1990 discovery of 5331 Erimomisaki 30 January 1990 discovery of 5354 Hisayon 21 May 1990 discovery of 6041 Juterkilian 19 July 1990 discovery of 6010 Lyzenga 29 August 1990 discovery of 6011 Tozzi 23 September 1990 discovery of 8088 Australia 10 October 1990 discovery of 6068 Brandenburg and 30826 Coulomb 12 October 1990 discovery of 30828 Bethe and 43790 Ferdinandbraun 13 October 1990 discovery of 8089 Yukar 14 October 1990 discovery of 30830 Jahn 18 October 1990 discovery of 5333 Kanaya 23 November 1990 discovery of 6042 Cheshirecat 1990 discovery of Pan --- 6 January 1990 Death of Pavel Alekseyevich Cherenkov 1990 Death of Michael Victor Penston 1990 Death of James Stanley Hey Nobel Prize Physics to Jerome I. Friedman, Henry W. Kendall and Richard E. Taylor "for their pioneering investigations concerning deep inelastic scattering of electrons on protons and bound neutrons, which have been of essential importance for the development of the quark model in particle physics" Chemistry to Elias James Corey thumb picture Elias James Corey "for his development of the theory and methodology of organic synthesis" Physiology or Medicine to Joseph E. Murray and E. Donnall Thomas "for their discoveries concerning organ and cell transplantation in the treatment of human disease"
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