New Delhi: India's 'Chandrayaan-3' probably landed on one of the oldest craters on the Moon. Scientists who analyzed the pictures received from the mission and satellite have expressed this possibility. A pit formed on a planet, satellite or other celestial object is called a crater. These craters are formed by volcanic eruptions. Apart from this, craters are also formed when a meteorite collides with another body. Researchers from the Physical Research Laboratory and the Indian Space Research Organization (ISRO) said the crater where Chandrayaan-3 landed was formed during the Nectarean period. The Nectarean period dates back 3.85 billion years and is one of the oldest time periods on the Moon.
Associate Professor S. in the Planetary Science Division of the Physical Research Laboratory. Vijayan said the place where Chandrayaan-3 landed is a unique geological place, where no other mission has reached. The images obtained by the mission's rover are the first images of the Moon taken by a rover at this latitude. These show how the Moon evolved over time.
When a star collides with the surface of a large body such as a planet or moon, a crater is formed and the material displaced from it is called ejecta. Vijayan, author of the study published in the journal Icarus, said that when you throw a ball on sand, some part of the sand gets displaced or bounces outward and turns into a small pile, the ejecta is also formed in the same way.
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Chandrayaan-3 had landed on one such crater – which is about 160 kilometers in diameter and photographs show that its structure is almost semicircular. The researchers said it was probably half of the crater and the other half may have been buried under ejecta from the South Pole-Aitken Basin. Pragyan was landed on the lunar surface through Chandrayaan-3's lander Vikram.
This Chandrayaan, launched by ISRO, made a soft landing near the south pole of the Moon on 23 August 2023. The place where Chandrayaan landed on 26 August 2023 was named Shiv Shakti Point.