Chandrayaan-3’s Pragyan Rover Begins Walk on Moon, Confirms ISRO

Indian Space Research Organisation (ISRO) on Thursday said that Pragyan Rover began its moonwalk on the lunar surface. Taking to X (formerly Twitter), ISRO said, “Chandrayaan-3 Mission. Chandrayaan-3 Rover to MOX, ISTRAC, Moon walk begins!”

Earlier today ISRO also released the images of the Lander Imager Camera which captured the moon’s image just before the touchdown on the lunar surface. 

“Here is how the Lander Imager Camera captured the moon’s image just prior to touchdown,” ISRO posted on X. 

After a 40-day journey into space, the Chandrayaan-3 lander, ‘Vikram’, touched down on the uncharted lunar South Pole on Wednesday evening, making India the first country to do so.

India also became only the fourth nation after the US, Russia and China to successfully conduct a lunar landing mission. The country has also become the first nation to make a soft landing on the south pole of the Moon.

The Chandrayaan-3 spacecraft put down the Vikram lander on the lunar surface, tilting to a horizontal position ahead of landing.

The spacecraft was launched from the Satish Dhawan Space Centre in Andhra Pradesh’s Sriharikota on July 14.

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 went through a series of orbital manoeuvres before zeroing in on the moon’s surface.


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Solar Mission ‘Aditya’ Will Be Ready for Launch in September, Says ISRO Chief After Chandrayaan-3’s Success

As the country rejoiced the successful placement of the ISRO lander — Vikram — on the moon’s uncharted South Pole, the agency’s chairman S Somanath on Thursday confirmed that its maiden solar mission ‘Aditya’ is in the works and will be ready for launch in September.

In a brief address to the nation after the lander touched down on the moon’s dark side on Wednesday, Prime Minister Narendra Modi alluded to future missions to the Sun and Venus.

Speaking to ANI a day after the ISRO put India in an elite club of nations with the successful conduct of its maiden lunar landing mission, the ISRO chief said, “Mission ‘Aditya’ is in the works and will be ready for launch in the first week of September. We are also planning a mission by the end of September or October to demonstrate our crew module and crew escape capability, which will be followed by many test missions until we launch our first manned mission to space (Gaganyaan), possibly by 2025.”

On the flawless touchdown of the ‘Vikram’ lander on the moon’s south face, Somanath said the gamut of emotions he ran as the lander closed in on the lunar surface was hard to put in words.

“It was a mix of joy, a feeling of accomplishment and gratefulness for all fellow scientists, who contributed to the success of this mission,” Somanath told ANI.

He added that the moon’s South Pole has the potential for human settlement, which is why the agency made it the preferred landing site for the lander.

“We have gone closer to the (lunar) South Pole, which lies almost 70 degrees from where the lander has been placed. The South Pole has a specific advantage with respect to being less illuminated by the Sun. There is potential (for human settlement) because of more scientific content (on the south side of the moon). The scientists, who were working on this project, showed a lot of interest in the South Pole as the larger objective is for human beings to set up colonies on the moon and travel beyond. We were looking for the best landing spot, where we could set up colonies in the distant future, and the lunar South Pole fitted the bill,” the ISRO chief said.

Speaking on the ‘Pragyan’ rover, which rolled out of the lander after the successful touchdown on the lunar southside, Somanath said a team will soon start work on a robotic path planning exercise, which will be the key to future explorations into deep space.

“Pragyan Rover has two instruments, both of which are related to the elemental composition findings on the moon as well as its chemical compositions. It will also rove the lunar surface. We will also do a robotic path planning exercise, which is important for future explorations into deep space,” the ISRO chief said.

The ‘Pragyaan’ rover, on Thursday morning, rolled out of the landing module to begin its exploration of the uncharted lunar south face, ISRO informed on its official handle on X, formerly Twitter.

The agency, earlier on Thursday, said the lander made a historic touchdown on the lunar south pole, taking India where no other country has gone before.

“The Ch-3 Rover ramped down from the Lander and India took a walk on the moon. More updates soon,” the ISRO posted on X.

The first picture of the six-wheeled robotic vehicle Pragyan rolling out of Vikram was shared by Pawan K Goenka, the chairman of the Indian National Space Promotion and Authorisation Centre, a single-window, independent, nodal agency that functions as an autonomous agency in the Department of Space (DOS).

After a 40-day journey into space, the ‘Vikram’ lander touched down on the lunar South Pole on Wednesday evening.

India also became only the fourth nation after the US, Russia and China to successfully conduct a lunar landing mission.

The Chandrayaan-3 spacecraft put down the Vikram lander on the lunar surface, tilting to a horizontal position ahead of landing.

The spacecraft was launched from the Satish Dhawan Space Centre in Andhra Pradesh’s Sriharikota on July 14.


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Chandrayaan-3 Lunar Landing Countdown Begins: When and Where to Watch the Live Streaming

Chandrayaan-3, India’s latest lunar mission, is expected to make a soft landing on the south pole of the moon on August 23. The spacecraft was launched by Indian Space Research Organisation (ISRO) on July 14. After completing a journey of almost 40 days, the Chandrayaan-3 mission will finally make India the fourth nation to land on moon with its successful landing on Wednesday. A day ahead of the expected landing, ISRO has confirmed that the mission is right on schedule and will be attempting landing as per planned.

India has high hopes from Chandrayaan-3 mission, especially after its partial success with the last lunar mission, Chandrayaan-2. As the countdown to Chandrayaan-3 landing begins, ISRO has already announced to livestream the historic event, which will begin at around 5:20 PM IST on August 23. The estimated landing time is expected to be 6:04 PM IST.

Chandrayaan-3 lunar landing: When and where to watch the live streaming

ISRO will be live streaming the lunar landing of Chandrayaan-3 on various social media channels. The event can be watched on ISRO’s official website, ISRO’s YouTube channel and the Facebook page of the organisation. The streaming will begin at 5:20 PM IST, around 30 minutes before the expected landing time.

Meanwhile, the live telecast of the landing will be available on DD National TV. Viewers can also watch the following space for the live streaming of the Chandrayaan-3 lunar landing. 

 

Chandrayaan- 3 was launched on July 14 at 2.35 PM IST onboard Launch Vehicle Mark-III (LVM-3) rocket from Sriharikota. If it successfully lands as planned tomorrow, India will become the first country to reach the uncharted south pole of Moon. 

ISRO officials earlier noted that the mission life of the Chandrayaan- 3 lander is one lunar day, which is equal to 14 Earth days. During the journey, ISRo has also released several pictures of the moon as captured by Chandrayaan-3.


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Chandrayaan-3’s Vikram Lander to Undergo Deboosting Manoeuvre: Details

Chandrayaan-3’s Vikram lander is set to undergo a crucial deboosting manoeuvre on Friday after successfully getting separated from the propulsion module a day before. The deboosting manoeuvre is scheduled today at around 4 PM IST. Deboosting is the process of slowing down to position itself in an orbit where the orbit’s closest point to the Moon (Perilune) is 30 km and the farthest point (the Apolune) is 100 km. 

“The next Lander Module (Deorbit 1) manoeuvre is scheduled for tomorrow (August 18, 2023) around 1600 hrs IST,” ISRO posted on X (formerly Twitter) yesterday while announcing the successful separation of the lander from the propulsion module.

Chandrayaan- 3 Lander Module is successfully separated from Propulsion Module (PM)
Photo Credit: Twitter / ISRO

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.

It has been a month and three 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.

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’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).

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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