Giant mirrors in space to reflect sunlight at night? No thank you, astronomers say

A U.S. company is proposing to 'sell sunlight after dark,' saying it could help power solar farms and provide access to light in emergency situations. Astronomers are not only concerned about what this will do to the night sky, but also to wildlife.

A U.S. company is proposing to 'sell sunlight after dark,' saying it could help power solar farms and provide access to light in emergency situations. Astronomers are not only concerned about what this will do to the night sky, but also to wildlife.

A U.S. company is proposing to 'sell sunlight after dark,' saying it could help power solar farms and provide access to light in emergency situations. Astronomers are not only concerned about what this will do to the night sky, but also to wildlife.