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Aditya-L1: The launch is scheduled on September 2, 2023 at 11:50 am

Aditya L1

Image source ; ISRO

Aditya L1 is poised to become India’s pioneering space-based mission dedicated to scrutinizing the Sun. Nestled within a halo orbit encircling the Lagrange point 1 (L1) of the Sun-Earth system, approximately 1.5 million km away from our planet, this spacecraft holds exceptional promise. Operating from this strategic position offers an unparalleled advantage: an unceasing, unobstructed view of the Sun, devoid of any instances of occultation or eclipses. This unique vantage point enables meticulous observation of solar activities and their impacts on space weather, unfolding in real-time.

Aditya L1
Image Source : ISRO

The spacecraft is equipped with an ensemble of seven payloads meticulously designed to explore the photosphere, chromosphere, and the Sun’s outermost layers, the corona. These payloads encompass an array of electromagnetic, particle, and magnetic field detectors. With a strategic stance at the L1 point, four of these payloads are dedicated to direct solar observation, while the remaining three conduct in-situ examinations of particles and fields within the L1 Lagrange point. This comprehensive approach facilitates invaluable scientific insights into the intricate interplay of solar dynamics across the interplanetary medium.

Anticipated to be a treasure trove of crucial data, the Aditya L1 payloads are primed to unravel the mysteries surrounding coronal heating, coronal mass ejections, pre-flare and flare activities, their distinct characteristics, the dynamics of space weather, and the propagation of particles and fields.

Science Objectives:

The primary scientific goals of the Aditya-L1 mission encompass:

  1. Examination of dynamic phenomena in the solar upper atmosphere (chromosphere and corona).
  2. Investigation into the heating of the chromosphere and corona, the physics governing partially ionized plasma, initiation of coronal mass ejections, and occurrences of solar flares.
  3. Collection of in-situ particle and plasma data to facilitate the analysis of solar particle dynamics.
  4. Exploration of the physics behind the solar corona and its heating mechanisms.
  5. Diagnostic assessment of plasma within coronal loops, encompassing measurements of temperature, velocity, and density.
  6. Exploration of the development, dynamics, and origins of Coronal Mass Ejections (CMEs).
  7. Identification of the sequential processes transpiring across various layers (chromosphere, basal region, and extended corona), culminating in solar eruptive events.
  8. Mapping of magnetic field topology and acquiring measurements of magnetic fields within the solar corona.
  9. Discernment of factors influencing space weather, including the origin, composition, and dynamics of solar wind.

    Click here for Aditya L1 Booklet
    Click here for Mission And Science Payloads

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