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The Luna-25 took off smoothly from the Vostochny Cosmodrome in Russia's Far East, according to video feed from Roscosmos, Russia’s space agency. (Representational image)

Russia's Luna-25 suffers technical glitch in pre-landing manoeuver

The spacecraft is scheduled to land on the south pole of the moon on Monday, racing to land on Earth's satellite ahead of India’s Chandrayaan-3


Russia’s moon-bound spacecraft Luna-25 on Saturday (August 19) experienced an “abnormal situation” during a pre-landing orbit, the country’s space agency Roscosmos has said.

Roscosmos, said the spacecraft ran into unspecified trouble while trying to enter a pre-landing orbit, and that its specialists were analysing the situation.

“During the operation, an abnormal situation occurred on board the automatic station, which did not allow the manoeuver to be performed with the specified parameters,” Roscosmos said in a Telegram post.

The space agency, however, did not specify whether the incident will prevent Luna-25 from making a landing.

The spacecraft is scheduled to land on the south pole of the moon on Monday, racing to land on Earth's satellite ahead of Indian spacecraft Chandrayaan-3. The lunar south pole is of particular interest to scientists, who believe the permanently shadowed polar craters may contain water. The frozen water in the rocks could be transformed by future explorers into air and rocket fuel.

The Russian spacecraft also produced its first results on Saturday. Although Roscosmos said the information was undergoing analysis, the agency reported that the preliminary data obtained contained information about the chemical elements of the lunar soil and that its equipment had registered a “micrometeorite impact.”

Roscosmos posted images of the Zeeman crater – the third largest in the moon's southern hemisphere – taken from the spacecraft. The crater has a diameter of 190 km (118 miles) and is eight km (five miles) deep.

The launch from Russia's Vostochny spaceport in the Far East of the Luna-25 craft on August 10 was Russia's first since 1976 when it was part of the Soviet Union.

The Russian lunar lander was expected to reach the moon between August 21-23 – around the same time as an India’s Chandrayaan-3 which was launched on July 14.

Only three countries have managed successful moon landings: the Soviet Union, the United States and China. India and Russia are aiming to be the first to land at the moon's south pole. Roscosmos said it wants to show Russia “is a state capable of delivering a payload to the moon,” and “ensure Russia's guaranteed access to the moon's surface.”

Sanctions imposed on Russia after it invaded Ukraine make it harder for the country to access Western technology, impacting its space program. The Luna-25 was initially meant to carry a small moon rover but that idea was abandoned to reduce the weight of the craft for improved reliability, analysts say.

“Foreign electronics are lighter, domestic electronics are heavier,” Egorov said. “While scientists might have the task of studying lunar water, for Roscosmos the main task is simply to land on the moon — to recover lost Soviet expertise and learn how to perform this task in a new era.”

The spaceport is a pet project of Russian President Vladimir Putin and is key to his efforts to make Russia a space superpower and move Russian launches from the Baikonur Cosmodrome in Kazakhstan.

(With inputs from agencies)


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