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Aditya-L1: ISRO Invites Proposals for First AO Cycle

8 January 20261 min read
SCIENCE & TECHNOLOGYAditya-L1: ISROInvites Proposalsfor First AO Cycle8 January 2026safalsetu.com

Why in the news

Two years after Aditya-L1 reached L1, ISRO invited Indian researchers to propose first-cycle observations.

Key facts

  • Mission: India’s first dedicated solar mission.
  • Launch: 2 September 2023; arrival at L1: 6 January 2024.
  • Position: about 1.5 million km from Earth.

Why L1

  • Stable spot for studying solar flares, CMEs, solar wind and space weather.

About the Announcement of Opportunity

  • A formal call to propose solar observations with Aditya-L1 instruments.
  • Proposals need scientific and technical justification.

Exam angle

  • Lead agency: ISRO; travel time to L1: 127 days.

Test yourself

1. On what date did Aditya-L1 reach the Sun-Earth Lagrange Point-1?

It reached L1 on 6 January 2024 after 127 days.

2. Roughly how far from Earth is the Sun-Earth L1 point where Aditya-L1 sits?

L1 is about 1.5 million km from Earth.

3. Who is invited by ISRO's Announcement of Opportunity for Aditya-L1 first-cycle observations?

The AO invites Indian scientists to propose observations.

This topic is part of Daily Current Affairs 6 & 7 January 2026 (19 topics).

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