1969/10/03 by Robert B. Leighton, N. H. Horowitz, Bruce C. Murray +6 · 106 citations
Physics and Astronomy · #Space exploration and regulation #Computer science
paper · doi:10.1126/science.166.3901.49
published in Science 166(3901), 49-67 (American Association for the Advancement of Science)
openalex publication_date 1969/10/03 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/23
Before the space era, Mars was \nthought to be like the earth; after Mariner \n4, Mars seemed to be like the moon; \nMariners 6 and 7 have shown Mars to \nhave its own distinctive features, unknown \nelsewhere within the solar \nsystem.