Aditya L1, India's first solar mission, launched from ISRO's Sriharikota spaceport; Here's what it means

As per ISRO, Aditya-L1 will be India's first space-based mission to study the sun which is the ultimate source of energy and light.

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In a historic development, ISRO's much-awaited Aditya L1 was successfully launched from ISRO's Sriharikota spaceport in Andhra Pradesh on Saturday. Aditya L1 mission is India's first solar mission after the success of Chandrayaan 3. As per ISRO, Aditya-L1 will be India's first space-based mission to study the sun which is the ultimate source of energy and light. Aditya L1 will be placed in a halo orbit around the Lagrange point 1 (L1) of the Sun-Earth system, which is about 1.5 million km from the Earth. A satellite placed in the halo orbit around the L1 point has the major advantage of continuously viewing the Sun without any occultation or eclipses. Notably, Aditya-L1 was launched into space on PSLV-C57, the 59th flight of the PSLV and the 25th mission using the PSLV-XL configuration. Aditya L1 will travel for 128 days and will cover approx 15 Lakh Kilometers. While Aditya L1 is currently on its voyage to Halo to study the sun and mysteries around it, below is a detailed analysis of Aditya L1 which you must know-

What is ISRO's Aditya-L1 mission?

As per ISRO, Aditya-L1 will be India's first space-based mission to study the sun which is the ultimate source of energy and light. Aditya L1 will be placed in a halo orbit around the Lagrange point 1 (L1) of the Sun-Earth system, which is about 1.5 million km from the Earth. A satellite placed in the halo orbit around the L1 point has the major advantage of continuously viewing the Sun without any occultation or eclipses.As per ISRO, this will provide a greater advantage of observing solar activities and their effect on space weather in real time. The spacecraft will carry seven payloads to observe the photosphere, chromosphere and the outermost layers of the Sun (the corona) using electromagnetic particle and magnetic field detectors. Using the special vantage point L1, four payloads directly view the Sun and the remaining three payloads carry out in-situ studies of particles and fields at the Lagrange point L1, thus providing important scientific studies of the propagatory effect of solar dynamics in the interplanetary medium.

What are the objectives of Aditya L1?

As per ISRO, the main objectives of Aditya L1 are-

1) Study of Solar upper atmospheric (chromosphere and corona) dynamics.

2) Study of chromospheric and coronal heating, physics of the partially ionized plasma, initiation of the coronal mass ejections, and flares

3) Observe the in-situ particle and plasma environment providing data for the study of particle dynamics from the Sun.

4) Physics of solar corona and its heating mechanism.

5) Diagnostics of the coronal and coronal loops plasma: Temperature, velocity, and density.

6) Development, dynamics, and origin of CMEs.

7) Identify the sequence of processes that occur at multiple layers (chromosphere, base, and extended corona) which eventually leads to solar eruptive events.

Also Read: What is Aditya-L1 Mission? ISRO's first space-based Indian observatory mission launch date announced

8) Magnetic field topology and magnetic field measurements in the solar corona.

9) Drivers for space weather (origin, composition, and dynamics of solar wind.)

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