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DAILY NEWS ANALYSIS

  • 19 March, 2021

  • 4 Min Read

NASA ISRO Synthetic Aperture Radar

NASA ISRO Synthetic Aperture Radar

ISRO and NASA signed a partnership in 2014, to collaborate on and launch NISAR (NASA-ISRO SAR) by 2022.

About NISAR:

  • NASA is providing L-band SAR, a high-rate communication subsystem for science data, etc.,
  • ISRO is providing the S-band radar, and launch services.
  • NISAR is a Synthetic Aperture Radar that can produce extremely high-resolution images for a joint earth observation satellite mission.
  • It will be the first satellite mission to use 2 radar frequencies (L-band and S-band) to measure changes in Earth’s surface less than a centimetre across.
  • NISAR will observe Earth’s land and ice-covered surfaces, sampling Earth on average every 6 days for a baseline 3-year mission.
  • Radar penetrates clouds and darkness, enabling NISAR to collect data day and night in any weather.

Source: TH


Formation Day

On 1st November, eight Indian states—Andhra Pradesh, Chhattisgarh, Haryana, Karnataka, Kerala, Madhya Pradesh, Punjab, and Tamil Nadu—along with five Union Territories—Andaman and Nicobar Islands, Chandigarh, Delhi, Lakshadweep, and Puducherry—celebrate their Formation Day. This date marks an important milestone in India

Turtle (Kachhua) Wildlife Sanctuary

The Turtle Wildlife Sanctuary, also known as the Kachhua Sanctuary, is located in the Varanasi district of Uttar Pradesh. It is recognised as India’s first freshwater turtle wildlife sanctuary, established to conserve endangered turtle species and support the ecological health of the Ganga River. Location and Extent The sanctuary co

Introduction of AI and Computational Thinking (CT) in

The Ministry of Education plans to introduce Artificial Intelligence (AI) and Computational Thinking (CT) from Class 3 onwards in the 2026–27 academic year. This initiative is part of the National Curriculum Framework for School Education (NCF-SE) 2023 and aligns with the National Education Policy (NEP) 2020. The aim is to prepare student

Sal Tree

Scientists from the Environment Department of Himachal Pradesh University (HPU) in Shimla have recently revealed that the Sal tree (Shorea robusta) is the most effective natural air purifier for combating rising pollution levels. Their findings highlight the tree’s superior capacity to trap dust, absorb gases, and cleanse the air compared

US Resumes Nuclear Weapon Testing

The President of the United States has ordered the resumption of nuclear weapon testing after a gap of 33 years, the last test being in 1992. This decision marks a significant shift in global nuclear policy and has far-reaching implications for geopolitics, the environment, and international security. Status of Global Nuclear Weapon Testing

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03 Dec,2025

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