First illuminated image of lunar surface captured by Chandrayaan-2

Rodiano Bonacci
Ottobre 18, 2019

IIRS (Imaging Infrared Spectrometer), on-board Chandrayaan-2, is created to measure the reflected sunlight and emitted part of moonlight from the lunar surface in narrow and contiguous spectral channels (bands) ranging from ~800 - 5000 nanometer (0.8-5.0 micrometer (µm)).

The first illuminated image of the lunar surface was acquired by IIRS. Prominent craters like the Sommerfield, Stebbins and Kirkwood can also be spotted in the image.

ISRO said the infrared spectrometer was created to measure reflected sunlight from the moon in narrow and contiguous spectral channels.

Imaging Infrared Spectrometer (IIRS) on-board Chandrayaan-2 is created to measure the reflected sunlight and emitted part of Moon light from the lunar surface in narrow and contiguous spectral channels (bands) ranging from ~800 - 5000 nanometer (0.8-5.0 micrometer (µm)). It is meant to measure the reflected sunlight and emitted part of Moonlight from the lunar surface. On August 20, the ISRO successfully fired the liquid engine of Chandrayaan-2 and inserted the spacecraft in the lunar orbit from the earth orbit.

The main objective of the IIRS is to understand the origin and evolution of the moon in a geologic context.

Isro had earlier released the pictures of the Boguslawsky E Crater - measuring about 14 km in diameter and 3 km depth - and its surroundings in the southern polar region of the moon, clicked by the Orbiter High Resolution Camera (OHRC), mounted on the Chandrayaan-2 Orbiter. However, on September 7, the mission suffered a setback when the Vikram lander lost its communication with the ground stations. Detailing the process, ISRO said that the orbiter of Chandrayaan 2 uses two instruments to measure such phenomena. After revolving around the earth's orbit for almost 23 days, the craft began its journey to the moon on August 14.

India had expected to make space history with the Rs. 1,000-crore Chandrayaan-2 mission by being the first country to land near the South Pole of the Moon.

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