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 an episode titled "J is for Judo" which featured journalist and judoka Frank Moritsugu instructing host Mavis Kerr in the basics of Judo, and in 1976 The National Film Board of Canada produced a seven-minute 'sport interlude' titled "Capsule – Judo" that was shown on television as part of the coverage leading up to and during the Montreal Olympics. The most common television coverage of Judo in Canada, however, is interviews conducted with Olympic athletes, particularly after a medal has been won, along with short athlete profiles that are interspersed throughout coverage of the Games. One such profile, shown during