Chandrayaan 2: The second rendezvous of India with the moon – The second rendezvous with the moon

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Last Updated: 09 Jul 2019, 14:04 IST

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Second rendezvous with the moon

For India's second rendezvous with the Moon, scheduled for the first week of September, ISRO scientists have scanned left and right 3,500 images looking for the perfect venue for this rendezvous near the south lunar pole.
Here, they hope to find clues about the origin and beginnings of the history of the Moon, but also of the Earth and some other members of the solar system. Also expected is more evidence of water.
On the photo – Scientists from the Indian Space Research Organization (ISRO) are working on the "Chandrayaan-2" orbital vehicle, the first Indian mission to land on a moon and planned rover and developed by ISRO.

AFP

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Chandrayaan-1 mapped the entire moon

Scientists have studied Lunar Reconnaissance Orbiter data from NASA and Kaguya Lunar Orbiter from Japan to assemble mosaics and study craters, rocks and slopes.

Images of the lunar surface captured by instruments aboard Chandrayaan-1, including a terrain mapping camera, a hyperspectral imager, a lunar laser measuring instrument, a lunar mineralogy mapper, and a synthetic radar. openness, have also been helpful.

"Chandrayaan-1 mapped the entire moon when the orbiter shot for nine months," said Mylsamy Annadurai, project director of Chandrayaan-1.

The high-resolution Orbiter (ORC) camera aboard the Chandrayaan-2 orbiter will re-examine the landing site for hazards such as rocks up to 32 cm.

BCCL

In a paper presented at the 49th Global and Planetary Scientific Conference 2018, ISRO scientists said two potential sites had been identified: a main site between the two craters Manzinus and Simpelius, located 350 km north of the edge of Aitken Basin, South Pole, and a second site nearby. .

China was the first country to land on the other side of the moon, on a crater located about 180 km from the southern basin of the Aitken cluster.

"Solar power feeding the system, a place with good visibility and a good communication area was needed. Moreover, the place should not have many rocks or craters. The landing slope should be less than 12 degrees. The South Pole has a near flat surface position, with good visibility and sunlight, "said ISRO President K Sivan.

BCCL

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More likely to find water

The south lunar pole is particularly interesting because a greater part of its surface remains in the shade, which increases the chances of finding water.

The region also has craters that are "cold traps" containing fossil records of the early solar system, said ISRO in a Web article.

ANI

A study by Physical Research Laboratory on the topography of the landing ellipse revealed the presence of 23,605 craters, of which 12,600 of a diameter greater than 10 m and 11 craters of 39. diameter greater than 500 m.

The landing ellipse is generally flat, the main landing site being devoid of craters and of significant depth.

ANI

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Anticipated disturbances

Lunar dust can remain stuck to instruments and affect the deployment of the solar panel, sensors and navigation aids.

The lower the hover time, the lower the disturbance, said the PRL scientists.

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