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Indian Space Research Organization is preparing to lunch Aditya-L1 solar mission on September, 2023. It will study the Sun’s behavior and its impact on space weather as well as the gas pattern, coronal heating and solar wind acceleration, coronal mass ejection, pre-flare and flare activities and their characteristics, dynamics of space weather, propagation of particle and fields etc. Aditya-L1 mission would be the first space based Indian observatory to study the Sun. All solar activity is driven by the solar magnetic field. Magnetic fields that cause sunspots are also the catalyst for solar storms.
The L1 in Aditya L1 is about 1.5 million km from Earth or about one hundredth of the way to the sun. Some Lagrange Points are being used for space exploration. In the Sun- Earth system there are two Lagrange points are important; L1 and L2, Where the L1, between the Sun and the Earth and L2 on the same line at the opposite side of the Earth. Aditya L1 will be the first space mission of India to study the Sun, where it placed in a halo orbit around the Lagrange Point 1 (L1) of the Sun-Earth system. This point is about 1.5 million km far from the Earth. After the launch of Aditya L1, it will take 125 days from the Earth to reach Lagrange Point 1. The Sun doesn’t have any solid surface; it is just a giant ball of hydrogen and helium gas. It does have a superheated atmosphere, made of solar material bound to the Sun by gravity and magnetic forces. Aditya L1 will be carried by Indian rocket Polar Satellite Launch Vehicle. The spacecraft will carry seven payloads to observe the photosphere, chromospheres and the outermost layers of the Sun.
