Chandrayaan-3 marks giant leap, lander successfully separates from propulsion module

Chandrayaan 3 update news: India's Chandrayaan-3 mission marked another giant leap in its lunar quest as the 'Vikram' lander module of the spacecraft successfully separated from the propulsion module on Thursday. The Chandrayaan-3 mission's lander is named after Vikram Sarabhai (1919–1971), who is widely regarded as the father of the Indian space programme.On Wednesday, the spacecraft carried out the final lunar-bound orbit reduction manoeuvre of the Chandrayaan-3 spacecraft, a week ahead of its scheduled landing on the south pole of the moon on August 23.

A GSLV Mark 3 (LVM 3) heavy-lift launch vehicle was used for the launch of the spacecraft that was placed in the lunar orbit on August 5 and since then it has been through a series of orbital manoeuvres been lowered closer to the moon's surface.It has been a month and two days since the Indian Space Research Organisation launched the Chandrayaan-3 mission on July 14.

The spacecraft was launched from the Satish Dhawan Space Centre in Andhra Pradesh's Sriharikota.ISRO is bidding to make a successful soft landing on the moon, which will make India the fourth country in the world to achieve the feat after the United States, Russia and China.Chandrayaan-3 components include various electronic and mechanical subsystems intended to ensure a safe and soft landing such as navigation sensors, propulsion systems, guidance and control, among others. The stated objectives of Chandrayaan-3, India's third lunar mission, are safe and soft landing, rover roving on the moon's surface, and in-situ scientific experiments.The approved cost of Chandrayaan-3 is Rs 250 crores (excluding launch vehicle cost).

Chandrayaan-3 Mission:

Meanwhile, the Propulsion Module continues its journey in the current orbit for months/years.

The SHAPE payload onboard it would
perform spectroscopic study of the Earth’s atmosphere and
measure the variations in polarization from the clouds on…

— ISRO (@isro) August 17, 2023

Chandrayaan-3's development phase commenced in January 2020 with the launch planned sometime in 2021. However, the Covid-19 pandemic brought an unforeseen delay to the mission's progress. Chandrayaan-3 is the ISRO's follow-up attempt after the Chandrayaan-2 mission faced challenges during its soft landing on the lunar surface in 2019 and was eventually deemed to have failed its core mission objectives.

The key scientific outcomes from Chandrayaan-2 include the first-ever global map for lunar sodium, enhancing knowledge on crater size distribution, unambiguous detection of lunar surface water ice with IIRS instrument and more. During the Chandrayaan-1 mission, the satellite made more than 3,400 orbits around the moon and the mission was concluded when the communication with the spacecraft was lost on August 29, 2009, according to the Indian Space Research Organisation (ISRO).

Chandrayaan 3 landing date

Meanwhile, the Chairman of the Indian Space Research Organisation (ISRO), S Somanath last week expressed confidence in the progress of the Chandrayaan 3, providing reassurance that all systems were operating as planned.Chairman S Somanath stated, "Everything is going fine now. There will be a series of manoeuvres until it lands (on the Moon) on 23rd August. The satellite is healthy.

"Moon serves as a repository of the Earth's past and a successful lunar mission by India will help enhance life on Earth while also enabling it to explore the rest of the solar system and beyond.Historically, spacecraft missions to the Moon have primarily targeted the equatorial region due to its favourable terrain and operating conditions. However, the lunar south pole presents a vastly different and more challenging terrain compared to the equatorial region.

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