Aditya-L1 carries seven carefully selected scientific instruments that together allow scientists to study the Sun and its influence on interplanetary space in a comprehensive way. These payloads work in two complementary modes: some look directly at the Sun from a distance, while others measure the solar wind and magnetic field in the space surrounding the spacecraft at L1. This combination makes the mission capable of linking solar activity with its effects in space around Earth.One of the most important instruments on board is the Visible Emission Line Coronagraph (VELC). This payload is designed to observe the faint outer atmosphere of the Sun, known as the corona, by blocking the intense brightness of the solar disk. Through imaging andspectroscopy, VELC provides information about coronal temperature, density, and plasma motion. It plays a crucial role in tracking the formation and early evolution of coronal mass ejections (CMEs), helping scientists understand how these massive eruptions are triggered and how they begin their journey into space.Complementing VELC is the Solar Ultraviolet Imaging Telescope (SUIT), which observes the Sun in near-ultraviolet wavelengths. Unlike visible-light telescopes, SUIT focuses on the photosphere and chromosphere, the lower layers of the solar atmosphere where much of the Sun’s magnetic activity originates. Its high-resolution images reveal sunspots, active regions, and flare-related brightenings, providing insight into how energy is transported upward from the solar surface toward the hotter corona.
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