New Delhi: The Indian Space Research Organisation (ISRO) on Monday announced the launch date for its solar mission Aditya-L1 spacecraft. On September 2 at 11:50 am, the mission to study the sun will take off from Sriharikota Airport.
ISRO reported that the spacecraft will be “placed in a halo orbit around the Lagrange point 1 (L1) of the Sun-Earth system”. A lasagne point is a spot where objects remain in equilibrium because the gravitational force of the nearest celestial entities cancel each other out. This satellite placement will ensure continuous surveillance of the Sun, uninterrupted by occultation or eclipses.
The Aditya-L1 will also have an advantage of monitoring solar activities and the effect it has on solar activities in real time, all due to its positioning in the halo orbit around the L1 point.
Aditya-L1’s objectives
- Studying the upper atmospheric dynamics of the sun, specifically the chromosphere and the corona (the outermost layers of the star).
- Studying chromosphere and coronal heating, initiation of coronal mass ejections and flares.
- Studying the heating mechanics and the physics of the solar corona.
- Magnetic field topology and measurements of the solar corona.
- Studying what drives space weather, like the origin, composition and dynamics of the solar wind.
- Studying the particle dynamics of the Sun by observing the unaltered particle and plasma environment.
The spacecraft will be carrying 7 payloads, four of which will carry out remote sensing and three of them will be carrying in-situ observations of the Sun.
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