What if a satellite could detect a water-logged surface beneath the dense forests, which is invisible to ordinary optical cameras? A new Radar Imaging Satellite, NASA-ISRO Synthetic Aperture Radar- NISAR, is making this possible, helping scientists and researchers to understand the forests, wetlands, vegetation, and environmental changes in a completely new way. NISAR is an exciting new Earth-observation satellite mission Continue Reading »

Authors- Manu Mehta and Raghavendra Pratap Singh An exoplanet, short for extrasolar planet, is a planet that orbits a star outside our solar system. These planets follow the same physical laws - orbiting stars and varying widely in size and composition. When you look up at the night sky and see countless stars, it's amazing to think that many of Continue Reading »

The lake city Udaipur, Rajasthan is known for its picturesque, serene lakes with clear waters appearing bright white and deep blue. Unusual pink/red colour waterbodies looks almost unreal. Here we reporta unique crimson pink coloured water body near Nagda (24°43'51.29"N and 73°43'41.59"E) observed during recent field trip (Mid-January) to Udaipur while on the way to Eklingji. It is nearly 300m Continue Reading »

With increasing anthropogenic activities and the escalating impacts of climate change, flood hazards have become more frequent and severe, causing extensive damage to crops, settlements, and infrastructure. Flood hydrologists have long faced challenges in accurately estimating flood depths-an essential parameter for effective disaster response and risk mitigation. Although optical and microwave satellite imagery have significantly advanced flood mapping by providing Continue Reading »

Authors: Manu Mehta, Shivani, Khushbu Dahiya, Somya Garg and Ranu Gadi, Indian Institute of Remote Sensing, ISRO Dehradun Aerosols are well known for their impact on the climate as well as public health. Numerous studies have outlined these dual effects of aerosols, which highlight the urgent need for effective mitigation techniques and additional research. Due to air pollution, India, a Continue Reading »