At 17, Gurugram's Suhani Gupta built a free website to measure light pollution using phone photos
Suhani Gupta aimed to understand the reasons behind the increasing invisibility of stars in urban areas. She created SkyQI, a platform that estimates night-sky brightness from smartphone images, in 2025. Suhani's analysis of satellite data revealed a 70% increase in median night-time radiance acros…
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