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GK QUESTION#1636

The NISAR Mission is a collaborative Earth-observation initiative. Which of the following best explains its key feature?

  1. AA solely Indian Space Research Organisation project focused on X-band radar mapping
  2. BAn independent NASA mission designed for ultraviolet space observations
  3. CA space telescope mission using optical sensors to identify exoplanets
  4. DA joint mission by ISRO and NASA employing L-band and S-band radar systemsCorrect answer
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Answer

D. A joint mission by ISRO and NASA employing L-band and S-band radar systems

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Explanation

The NISAR mission (NASA- ISRO Synthetic Aperture Radar) is a collaborative Earth observation mission between ISRO and NASA. It is designed to study Earth’s surface using dual- frequency Synthetic Aperture Radar (SAR), specifically L-band (by NASA) and S- band (by ISRO), to monitor changes such as earthquakes, landslides, glaciers, and vegetation.

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