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India's moon probe enters lunar orbit



  Chandrayaan 2 or Moon Chariot 2 was taken off the Indian Spaceport in Sriharikota in the southern state of Andhra Pradesh on July 22 on July 22
Chandrayaan 2 or Moon Chariot 2 launched on July 22 from the Sriharikota Indian Spaceport in the southern state of Andhra Pradesh

India's spaceship Chandrayaan 2 entered lunar orbit on Tuesday and performed one of the most difficult maneuvers on its historic mission to the Moon.

After four weeks in space, the spacecraft completed its lunar orbit insertion as planned, the Indian Space Research Organization (ISRO) said in a statement.

The insertion was successfully completed today at 0902 (IST). Emagazine.credit-suisse.com/app/art … = 1

57 & lang = DE India aspires to become the fourth nation after Russia, the US and China to land a spaceship on the mainland moon.

When the remainder of the mission goes according to plan, the Indian probe will land on the Moon's South Pole on September 7th.

Chandrayaan 2 will perform four more similar maneuvers to reach final orbit across the lunar poles, with the next scheduled for Wednesday.

ISRO chief K. Sivan said the maneuver is an important milestone for the mission, and he hopes for a perfect landing next month.

"The lander lands on the moon on September 7. Whatever humanly possible is done by us," Sivan told reporters.

Deployment on Tuesday was one of the most difficult operations in the mission, because if the satellite had approached the moon at a higher speed, it would have rebounded and been lost in space.

And if it had approached slow speed, the moon's gravity would have pulled it in and caused a crash.

Heartbeat Moments

"The approach speed had to be just right and the altitude above the moon was accurate – even a small mistake would have killed the mission," Sivan said.

"Our heartbeats increased … for 30 minutes, our hearts almost stopped."

Chandrayaan 2 or Moon Chariot 2, which was lifted off the Indian spaceport Sriharikota in the southern state of Andhra Pradesh on July 22nd.

The spaceship used in the mission consists of an orbiter, a lander, and a rover, developed and manufactured almost exclusively in India. The orbiter has a mission duration of one year and will take pictures of the lunar surface.

According to ISRO, the mission will help scientists better understand the origin and evolution of the Moon by conducting detailed topographical studies, mineral analyzes, and a variety of other experiments.

About $ 140 million was spent on preparing the probe mission – a much lower price than similar operations in other countries.

It was launched with India's most powerful rocket, the Geosynchronous Satellite Launch Vehicle (GSLV). MkIII.

The start was successful in the second attempt, a week after he had been stopped due to a technical breakdown just under an hour before his start.

India's first lunar mission in 2008 – Chandrayaan-1 – did not land on the moon, but searched for water with radar.

A gentle landing on the moon would be a major step forward in Indian space program, as Prime Minister Narendra Modi was determined to launch Anned mission into space by 2022.

India also has ambitions to land a spacecraft on Mars , India was only the fourth nation in 2014 to put a satellite into orbit around the Red Planet.


"Stronger than ever": India is preparing for a new start attempt


© 2019 AFP

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India's moon probe reaches lunar orbit (2019, August 20)
retrieved on August 20, 2019
from https://phys.org/news/2019-08-india-moon-probe-lunar-orbit.html

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