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China has had a telescope on the moon for the past two years

LNM Radio Network

LNM Radio Network

Point a telescope at the moon, and you might just see one looking back. Chinese researchers have reported that their robotic telescope, the first of its kind, has been operating flawlessly ever since it landed on the moon in 2013.

The 15-centimetre telescope is mounted on the Chang’e 3 lander, which touched down on the lunar surface in December 2013. Chang’e 3 (pictured above) carried the Yutu rover, which repeatedly struggled to survive the lunar night and ceased working in March this year – but the lander is still going strong.

The telescope sees in ultraviolet light, making it particularly suited for observations that aren’t possible here on Earth. “There is no atmosphere on the moon, so unlike Earth, the ultraviolet light from celestial objects can be detected on the moon,” says Jing Wang of the National Astronomical Observatories in Beijing, China, who is in charge of the telescope. And since the moon rotates 27 times more slowly than the Earth, the scope can stay fixed on the same star for a dozen days without interruption, he says.