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Difficulty: EasyScience, Emerging Technology, and Space Missions in News

Regarding the Thermal InfraRed Imaging Satellite for High-resolution Natural Resource Assessment (TRISHNA) space mission, which of the following statements are correct?

  1. It is a collaborative joint Earth-observation satellite mission between ISRO (India) and CNES (France).Answer
  2. Its primary objective is high-resolution thermal infrared monitoring of Earth's surface temperature and water resources.Answer
  3. C
    It is designed to operate in a Geostationary Transfer Orbit at an altitude of 35,786 km.
  4. D
    It is a deep-space planetary probe dedicated to searching for water-ice deposits on the lunar surface.

Answer

The TRISHNA mission is a joint Earth-observation initiative by ISRO (India) and CNES (France) focused on high-resolution thermal infrared imaging of land surface temperature and water resources from Sun-Synchronous Low Earth Orbit.
The statements highlighting TRISHNA as a joint ISRO-CNES Earth-observation mission and its primary objective of high-resolution thermal infrared monitoring of land surface temperature and water management are correct.

Step-by-Step Solution

1
Identify the agency collaboration for the TRISHNA mission.
TRISHNA is a joint project developed by ISRO (India) and CNES (France).
Establishing the participating international space agencies validates mission facts.
2
Analyze the core payload capability and scientific objective.
TRISHNA monitors Earth surface thermal dynamics, evapotranspiration, and water cycles.
Confirming the payload thermal infrared bands verifies its Earth-observation role.
3
Verify the orbital trajectory and domain target.
TRISHNA operates in Low Earth Orbit (Sun-Synchronous Orbit), not Geostationary Orbit or deep space.
Earth-observation thermal mapping requires consistent polar sun-synchronous revisit orbits at low altitudes.

Key Concept

TRISHNA Mission Objectives, Agency Partnerships, and Satellite Orbit Parameters
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Science, Emerging Technology, and Space Missions in News

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