Before it makes its city debut, however, the moon will have to be tested in an uninhabited desert so that its light beams don’t interfere with people or Earth-based space observation equipment.
Chinese scientists say the man-made moon, which is essentially an illuminated satellite, will be in orbit by 2020. It will be eight times brighter than Earth’s moon and will shine down on the city of Chengdu, the capital of the southwestern Sichuan province.
It’s hoped the innovation will replace the need for streetlights and will reduce annual electricity costs by up to 1.2 billion yuan ($173 million).
Residents shouldn’t worry that it will “light up the entire night sky,” Wu Chunfeng, chief of the Tian Fu New Area Science Society, said
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