ISRO invites proposals from Indian solar physics community to analyse data from Aditya-L1 mission
The deadline for submission of proposals for the second AO cycle is April 30, 2026.
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Context
The Indian Space Research Organisation (ISRO) has initiated its second 'Announcement of Opportunity' (AO), inviting the Indian scientific community to submit proposals for utilising observation time on the Aditya-L1 mission. Aditya-L1 is India's first space-based observatory dedicated to studying the Sun. This initiative aims to maximise the scientific output from the mission by crowdsourcing research ideas for its key instruments, the Visible Emission Line Coronagraph (VELC) and the Solar Ultra-violet Imaging Telescope (SUIT).
UPSC Perspectives
Science & Technology
This announcement marks a crucial phase in India's solar science capabilities, transitioning from mission deployment to data utilisation. The Aditya-L1 mission itself is a significant achievement, positioned at the Sun-Earth Lagrange Point 1 (L1), which allows for continuous, uninterrupted observation of the Sun. The call for proposals focuses on two primary payloads: the Visible Emission Line Coronagraph (VELC), which observes the Sun's corona by creating an artificial eclipse, and the Solar Ultra-violet Imaging Telescope (SUIT), which images the photosphere and chromosphere in the UV spectrum. By opening access to the national scientific community, is fostering a domestic ecosystem for space research, ensuring that the vast amounts of data—over 27 TB already available—are thoroughly analysed. This democratisation of data access accelerates scientific discovery and contributes to the core UPSC topic of 'Achievements of Indians in Science & Technology'. Questions could focus on the specific objectives of VELC and SUIT and their importance for understanding phenomena like coronal heating and space weather.
Governance
This initiative is a prime example of promoting scientific temper and participatory governance in a highly technical domain. By creating a structured process like the Aditya-L1 Proposal Processing System (ALPPS) hosted at the Indian Space Science Data Centre (ISSDC), ensures transparency and merit-based allocation of a national scientific resource. This move beyond in-house research to a collaborative model reflects a mature governance framework aimed at maximising return on public investment in large-scale scientific projects. For UPSC, this connects to the role of government institutions in fostering innovation and a robust R&D culture. It is an implementation of the principle of 'science for the people', where data from a national mission is made available for public-funded research institutions, enhancing the overall scientific output of the nation.
Economic
Investing in fundamental science missions like Aditya-L1 has long-term economic implications through the development of a knowledge economy. While the immediate goal is scientific understanding, the technologies developed and the skills nurtured have wider applications. For instance, the study of space weather, a key objective of Aditya-L1, is crucial for protecting economically vital assets like communication satellites, navigation systems (e.g., ), and power grids from solar storms. Furthermore, fostering a domestic solar physics community creates high-skill jobs and can lead to spin-off technologies. This approach aligns with the national goal of Aatmanirbhar Bharat (self-reliant India) in critical technology sectors. UPSC could frame questions linking investment in space science to India's long-term economic security and technological self-reliance.