3 Things NISAR satellite, the Great India Bustard, and Trump's 25% tariff
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Aug 1, 2025 Amitabh Sinha from the Indian Express discusses the groundbreaking NISAR satellite, a collaboration between ISRO and NASA that enhances Earth observation capabilities. Nikhil Ghanekar, also from the Indian Express, highlights the urgent conservation efforts for the endangered Great Indian Bustard, which balances needed renewable energy projects. The conversation wraps up with the challenges posed by Trump's announcement of a 25% tariff on Indian goods, showcasing the intricacies of international trade relations.
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NISAR's Dual-Radar Advantage
- NISAR is the most powerful Earth observation satellite launched jointly by ISRO and NASA.
- Its two synthetic aperture radars capture complementary images simultaneously, providing unmatched detail.
NISAR's Climate and Disaster Role
- NISAR aims to observe climate change, land processes, and disaster triggers like earthquakes.
- It captures changes in minute details such as forest canopy and ground beneath simultaneously.
Engineering Challenges of NISAR
- The main engineering challenge was avoiding interference between the two radars on the same satellite.
- Synchronizing their signals required years of development to ensure data quality.