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The man-made moon is essentially an illumination satellite designed to complement the moon at night, though it is predicted to be eight times brighter, the scientist added.
This is due to the object's planned orbit about 500 kilometers above Earth－much closer than the 380,000-km distance to the moon, Wu said.
"But this is not enough to light up the entire night sky," he said. "Its expected brightness, in the eyes of humans, is around one-fifth of normal streetlights."
The location and brightness of the light beam can be changed, and its coverage accuracy can fall within a few dozen meters, he said.
"When the satellite is in operation, people will see only a bright star above, and not a giant moon as imagined."