ISRO releases crucial findings collected by Chandrayaan 2 including presence of water, minor elements - Financial Express

India’s second lunar mission Chandrayaan 2 had failed to make a soft landing on the Moon’s surface and left the whole nation in shock and disappointment as the lander and rover malfunctioned at the eleventh hour and crash-landed on the surface of the moon. However, that was not the end of it as the entire mission had not wasted as the Orbiter part of the mission functioned normally and has been gathering data from the lunar body. Recently the Indian Space Research Organisation (ISRO) has released the information which has been collected by the orbiter of Chandrayaan 2, the Indian Express reported.

What information has the orbiter gathered?

Water Molecule: While the presence of water on the lunar body has already been established in various Moon missions including ISRO’s Chandrayaan 1, the Chandrayaan 1 mission did not have sensitive instrument to distinguish clearly whether the signals had emanated from the hydroxyl radical (OH) or the water molecule (H2O) which too has OH as a constituent. This time around during the Chandrayaan 2 mission, the instruments were far more sensitive and used Imaging Infra-Red Spectrometer (IIRS) and was successful in distinguishing the signals emanating from OH and H2O. The orbiter of the Chandrayaan 2 mission found unique signatures of both hydroxyl molecule (OH) an H2O water molecule. The finding about the presence of water confirmed by the Indian mission are most comprehensive to date in comparison to the earlier missions on the Moon.

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