Torino scale the validity and societal impact of SETI data. The Torino Scale also uses a color code scale: white, green, yellow, orange, red. Each color code has an overall meaning: No object has ever been rated above level 4. The Chicxulub impact, believed by most scientists to be a significant factor in the extinction of the dinosaurs, has been estimated at 100 million (10) megatons, or Torino Scale 10. The impacts which created the Barringer Crater and the Tunguska event in 1908 are both estimated to be in the 3–10 megaton range, corresponding to Torino Scale 8. The 2013 Chelyabinsk meteor
Judo in Canada at the University of Ottawa, "Influences on the development of beliefs of Canadian expert judo coaches and their impact on action" (1998), describes the beliefs of Canadian Judo coaches and how these beliefs were represented in their actions during training. And finally, Michelle Rogers' MA thesis in Anthropology at the University of Victoria, "Twentieth Century Travels: Tales of a Canadian Judoka" (2005), examines the life of her father, Olympian Doug Rogers, and uses his story as a case study of how large-scale global processes can influence the life of an individual. Judo has not received widespread attention in Canadian television