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China has dismissed internet gossip that its first photo of the moon taken from a lunar orbiter may have been plagiarised from Nasa.
The country launched its first lunar probe, the Chang'e 1, in October and released a photo featuring a patch of grey moon surface splotched with craters last week, hailing the mission as a "complete success".
But some Chinese internet users have questioned its originality after comparing it with an almost identical lunar image from Nasa in 2005.
"There is absolutely no forgery," Ouyang Ziyuan, chief scientist for the lunar probe, told the Beijing News.
The Chinese and US lunar images looked similar only because they had aimed at the same area of the moon's southern hemisphere, Ouyang was quoted as saying.
"But a careful examination will tell some small differences."
There were two craters on a certain spot of the Chinese photo, but there was only one on that same spot of the American picture, the Beijing News quoted him as saying.
"Maybe it's because the resolution of the American photo was not high enough, or a new pit might have been generated by an asteroid hitting the moon between 2005 and 2007.
"I understand the doubts of the internet surfers. They hope the Chinese lunar probe can do well so they don't want the photo to turn out to be fake," he said.
A three-dimensional image of the moon surface taken by the Chang'e 1 was released on Sunday and some data collected by the satellite would be shared with the public, the Beijing News said.
In 2003, China became only the third country to put a man into space using its own rocket after the former Soviet Union and the United States.
It then sent two astronauts on a five-day flight in October 2005.
- REUTERS