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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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P._Radhakrishnan_(scientist) entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-06-24 and was most recently seen on 2026-06-24.
P. Radhakrishan is a veteran space scientist, author and speaker from India. He retired from the Indian Space Research Organisation as the Deputy Director of Liquid Propulsion Systems Centre. Radhakrishnan was one of the two trainees slated to travel to space in the STS-61-I (Challenger) mission in September 1986 as a Payload Specialist for INSAT-1C, but the flight was cancelled after the Challenger disaster. N.C.Bhat from ISRO Satellite centre was the other Indian space scientist who was trained by NASA for the mission – the plan was to select one of these two for the mission.
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