comscore India's 'Bahubali' rocket lifts off with Chandrayaan-2: All you need to know
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India's 'Bahubali' rocket lifts off with Chandrayaan-2: All you need to know

You can watch the launch of Chandrayaan-2 live on ISRO’s Twitter or Facebook page. Additionally, Doordashan will also be live streaming the event on its YouTube channel.

  • Published: July 22, 2019 3:13 PM IST
Chandrayaan 2

Photo credit: ISRO


India moved towards its second tryst with the moon with ISRO‘s heavy lift rocket – the Geosynchronous Satellite Launch Vehicle-Mark III (GSLV-Mk III) – carrying the 3,850 kg Chandrayaan-2 spacecraft, blasting off from the Sriharikota spaceport on Monday afternoon. At exactly 2.43 p.m., the Rs 375 crore GSLV-Mk III rocket began its ascent into space from the second launch pad at the Satish Dhawan Space Centre (SDSC) here. Also Read - ISRO to launch Chandrayaan-2 today at 2:43PM: How to watch second moon mission launch live

Also Read - ISRO set to launch Chandrayaan-2 on July 22: All you need to know

The 43.4 metre tall, 640 ton rocket, nicknamed ‘Bahubali’ for as the hero in the successful film lifts a heavy lingam, it carries the 3.8-tonne Chandrayaan-2, which will carry out India’s second mission to its closest celestial neighbour. Just over 16 minutes into its flight, the rocket will sling the Rs 603 crore Chandrayaan-2 into an Earth parking 170×39,120 km orbit. Also Read - Chandrayaan-2 expected to launch next week, GSLV rocket glitch fixed

From there it will be a long journey for Chandrayaan-2 as the distance between the earth and the moon is about 384,400 km. The Indian space agency will raise the spacecraft’s orbit by a series of manoeuvres to put it on Lunar Transfer Trajectory. Originally the rocket was to fly on July 15 at 2.51 a.m. Due to technical glitch that was detected about ab hour prior to the rocket’s lift off, the mission was called off that day.

The ISRO then fixed the launch day for July 22 after setting right the technical glitch. The Chandrayaan-2 consists of three segments – the Orbiter (weighing 2,379 kg, eight payloads), the lander ‘Vikram’ (1,471 kg, four payloads) and rover ‘Pragyan’ (27 kg, two payloads). The Indian space agency has named the lander in memory of country’s space pioneer Vikram Sarabhai while the rover’s name means wisdom in Sanskrit.

According to the Indian Space Research Organisation (ISRO), on the day of landing – estimated on September 7, the lander Vikram will separate from the Orbiter and then perform a series of complex manoeuvres comprising rough braking and fine braking. The separation will come five days after the orbiter enters the lunar orbit.

Imaging of the landing site region prior to landing will be done for finding safe and hazard-free zones. The Vikram is expected to soft-land from a height of 100 km from the Moon’s surface near its South Pole and carry out three scientific experiments. Subsequently, the six-wheeled rover Pragyan will roll out and carry out two experiments on lunar surface for a period of one lunar day which is equal to 14 Earth days.

The Orbiter with eight scientific experiments will continue its mission for a duration of one year. It will be orbiting in 100×100 km lunar orbit. The mission also has one passive experiment from the US space agency NASA. The Indian space agency said the mission will also try to unravel the origins of the Moon. Both the lander as well as the rover will have the Indian national flag painted on them, while the Ashoka Chakra will be imprinted on the rover’s wheels.

The success of Chandrayaan-2 mission will make India the fourth country in the world to land a vehicle and travel on the Moon surface after the US, Russia and China. A total number of 38 soft landing attempts have been made, so far. The success rate is 52 percent. India launched its first Moon mission Chandrayaan-1 in October 2008, using its light rocket Polar Satellite Launch Vehicle (PSLV).

For this mission, it used the GSLV-Mk III, a three stage/engine rocket. The vehicle has two solid strap-on powered by solid fuel. The second stage is a core liquid fuel booster and the third is the cryogenic engine. The carry capacity is four tons. Till date, the ISRO has sent up three GSLV-Mk III rockets. The first one was on December 18, 2014 carrying Crew Module Atmospheric Reentry Experiment (3.7 ton). The mission was also to test the rocket’s inflight structural stability.

The second and third GSLV-Mk III’s went up on June 5, 2017 and November 14, 2018 carrying communication satellites GSAT-19 (3.1 ton) and GSAT-29 (3.4 ton) respectively. GSLV-Mk III will be used for India’s manned space mission slated in 2022. India presently has two fully operational rockets — the Polar Satellite Launch Vehicle (PSLV) and GSLV-Mk II — with a lift-off mass of 415 ton and a carrying capacity of 2.5 tonnes.

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  • Published Date: July 22, 2019 3:13 PM IST



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