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• Scientists at the Indian Space Research Organisation (ISRO) have used a novel mathematical technique and analysed satellite images to estimate the strength of North Korea’s underground nuclear test of September 2017.
• Those tests are considered the most powerful thermonuclear devices to have been exploded by the country.
• In the normal course, the detection and estimation of nuclear device explosions is based on the reading of earthquake monitoring sensors.
• Results said that it was equal to 17 times that of Hiroshima explosion.