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Chadrayaan-2: Crucial manoeuvre starts today

Chadrayaan-2: Crucial manoeuvre starts today, inches closer to Moon

Chandrayaan-2 will enter into Moon’s orbit today. It is very crucial because a smaller mistake can kill the entire mission.

Aug 20, 2019 08:57 IST

Image Source: ISRO

India’s Chandrayaan-2 has reached closer to its target after nearly 30 days of travel. Indian Space Research Organization (ISRO) will manoeuvre the spacecraft into the lunar orbit between 8:30 to 9:30 am today.

This move is also known as Lunar Orbit Insertion (LOI) which is very crucial as the approach velocity of Chandrayaan-2 must be accurate. Experts believe that even a smaller mistake can kill the entire mission and efforts.

Why a crucial step?

Now, Chandrayaan-2 is just a few kilometres away from the Moon. ISRO’s satellite will be slowed down by just the right amount so that the Moon can capture the spacecraft and bring Chandrayaan 2 in its orbit. Experts believe that if the satellite approaches the Moon at a higher-than-expected velocity it will bounce off it and get lost in deep space. On the other hand, if it approaches at a slow velocity, the Moon’s gravity will pull the Chandrayaan 2 and it might crash into the surface. Therefore, this step is called the most tricky operation of the mission. ISRO Chairman K. Sivan tweeted that it is a very difficult manoeuvre and will mark a major milestone of the mission.

Why Moon’s South Pole?

• According to the information released by ISRO, the world over countries, companies and even individuals are turning to the Moon and eyeing on the South Pole of the Moon. Its craters have been untouched by sunlight for billions of years, offering an undisturbed record of the solar system’s origin.
• ISRO informed that its permanently shadowed craters are estimated to hold nearly 100 million tons of water.
• Moon’s South Pole regolith has traces of hydrogen, ammonia, methane, sodium, mercury and silver that can be an untapped source of essential resources.
• South Pole’s elemental and positional advantages make it a suitable pit stop for future space exploration, ISRO explained.

Also Read | Chandrayaan-2 Launch: See How World Reacts

Also Read | Chandrayaan-2 Launch Updates: “Every Indian is immensely proud today” says PM Modi

India’s Chandrayaan-2

The most determined mission of ISRO Chandrayaan-2 had lifted off from Sriharikota on July 22. Chandrayaan’s took two attempts for its lift-off. It was called off just under an hour from its launch due to a technical glitch. ISRO’s Chandrayaan-2 mission stands out because of its low cost, with just about Rs. 1,000 crore spent. This amount is believed a much smaller price tag compared to similar missions by other countries. Experts believe that if India’s Chandrayaan-2 successfully lands on the moon, it will be the fourth country to soft-land a rover on the lunar surface after Russia, US and China. Israel’s mission was the last attempt who tried to land on the Moon but failed.

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