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Artificial moon made by china

Chinese scientists are planning to launch an artificial moon into orbit by 2020 to illuminate city streets after dark.
Scientists estimated that it could be eight times more luminous than the actual, original moon. It will also orbit much closer to Earth; about 500 km (310 miles) away, compared to the moon’s 380,000 km (236,000 miles).
But the ambitious plan still wouldn’t “light up the entire night sky,” Wu Chunfeng, chief of the Tian Fu New Area Science Society, told China Daily. “Its expected brightness, in the eyes of humans, is around one-fifth of normal streetlights.”
Wu estimated that new moons could save the city of Chengdu around 1.2 billion yuan ($173 million) in electricity costs annually, and could even assist first responders during blackouts and natural disasters. If the project proves successful, it could be joined by three more additions to the night sky in 2022, he said.
But much more testing needs to be done, Wu said, to ensure the plan is viable and will not have a detrimental effect on the natural environment.