3C 273: a Starlike Object with Large Redshift, (p. 1040) WITH Investigation of the Radio Source 2C 273 by the Method of Lunar Occutlations (p. 1037) plus 3 other related papers in Nature 197, 1963 [FIRST EDITION OF THE FIRST OBSERVATION OF A QUASAR]
1963. 1st Edition. FIRST EDITION OF THE FIRST OBSERVATION OF A QUASAR. While studying the light spectra of radio sources at the California Institute of Technology, Maarten Schmidt identified the visible object corresponding to a radio source known as 3C 273. While its star-like appearance suggested it was relatively nearby..... More