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When large stars in the universe collapse or die, they generate GRBs, which are massive but incredibly bright, high-energy brief gamma radiations.
Technology 04 March 2021 Indian scientists have indigenously designed and developed a low-cost optical spectrograph that can locate sources of faint light from distant quasars and galaxies in a very young universe, regions around supermassive black-holes around the galaxies, and cosmic explosions. Such spectroscopes were so far imported from abroad involved high costs. The ‘Made in India’ optical spectrograph, named as Aries-Devasthal Faint Object Spectrograph & Camera (ADFOSC), designed and developed by Aryabhatta Research Institute of observational sciences (ARIES), Nainital, an autonom...