Sriharikota: The Indian Space Research Organisation (ISRO) is all set to launch the EOS-N1 Anvesha satellite to space aboard the PSLV-C62 mission. Anvesha is a hyperspectral satellite developed by the Defence Research and Development Organisation (DRDO).
Back in the day, spies and explorers used simple aerial photos to study landscapes. They would look at shapes, colours, and patterns to guess what was below, like spotting a river by its winding path or a forest by its green blobs.
Anvesha, the Satellite
Anvesha primarily refers to India’s new advanced Earth observation satellite (EOS-N1), developed by DRDO for hyperspectral imaging for defense and civilian use, scheduled for launch in early 2026 by ISRO. Beyond the satellite, “Anvesha” can also refer to the Indian word for “quest” or “exploration,” and is used as a name for individuals, creative projects (like YouTube channels for home decor), and products like natural foods (Anveshan).
How it Works
HRS works because everything on Earth interacts with light in its own way. For example, water soaks up certain light waves, while leaves bounce others back, creating a signature pattern, like a barcode.
Scientists build libraries of these barcodes from pure samples (just dirt or just grass) and compare them to what the satellite sees.
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