Sunlight at night: US startup’s demonstration of lighting Earth from space draws criticism
A California-based startup conducted a test of its technology to use large mirrors in space to reflect sunlight and illuminate Earth during nighttime hours. The demonstration in rural California produced unexpectedly bright nocturnal light visible to locals. The project has drawn pushback from environmental groups, scientists and residents over concerns related to its environmental and social impacts.
Key points
- Startup tested space-based mirror system to reflect sunlight at night
- Test illuminated desert area in rural California
- Project faces criticism from scientists, environmentalists and locals
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