City Lights on an Alien World (IMAGE)

Center for Astrophysics | Harvard & Smithsonian

City Lights on an Alien World

Caption

If an alien civilization builds brightly-lit cities like those shown in this artist's conception, future generations of telescopes might allow us to detect them. This would offer a new method of searching for extraterrestrial intelligence elsewhere in our Galaxy.

Credit

David A. Aguilar (CfA)

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