India‘s space agency said it delayed the launch of its second lunar mission, Chandrayaan-2, in the early hours of Monday due to a “technical snag” which was observed less than an hour before the scheduled liftoff.
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Countdown at the Satish Dhawan Space Centre was halted 56 minutes and 24 seconds before the planned liftoff at 2:51am (2121 GMT on Sunday).
“A technical snag was observed in launch vehicle system at T-56 minute,” the India Space Research Organisation (ISRO) said on Twitter.
“As a measure of abundant precaution, #Chandrayaan2 launch has been called off for today. Revised launch date will be announced later.”
Officials at the space centre on an island off the coast of Andhra Pradesh state said the problem was in the launch vehicle system.
ISRO had announced one hour before launch that the filling of liquid hydrogen fuel had been completed.
The agency did not say when a new launch could be held.
Attention on the Indian mission had increased as the launch was to be carried out just five days before the 50th anniversary of American Neil Armstrong’s history-changing walk on the Moon.
India had spent about $140m on preparations for Chandrayaan-2 and had hailed the mission as one of the cheapest ever.
A landing on the moon had been scheduled for September 6.
In comparison, the US spent about $25bn – the equivalent of more than $100bn at current prices – on 15 Apollo missions in the 1960s and 70s.
Made in India
Almost all of Chandrayaan-2’s orbiter, lander and rover were designed and made in India.
India had prepared its most powerful rocket, the GSLV Mk III, to carry the 2.4-tonne orbiter. The orbiter was to keep circling the moon for about one year taking pictures of the surface and sending back information on the atmosphere.
The orbiter was to carry the 1.4-tonne lander Vikram – which in turn was to take the 27-kg rover Pragyan – to a high plain between two craters on the lunar South Pole.
The solar-powered rover can travel up to 500 metres and was expected to keep sending back images and data for one lunar day, the equivalent of 14 Earth days.
Pragyan, which means wisdom in Sanskrit, will be looking for signs of water and analysing lunar rocks and soil.
India’s first lunar mission in 2008 – Chandrayaan-1 – did not land on the moon, but carried out a search for water, using radars.
A soft landing on the moon would be a huge leap forward in India’s space programme. National pride is at stake as Prime Minister Narendra Modi has vowed that a manned mission into space will be launched by 2022.
India also plans to land a probe on Mars. In 2014, India became only the fourth nation to put a satellite into orbit around the Red Planet.