File:Artist’s illustration of an advanced extraterrestrial civilization with industrial pollution, a possible "technosignature".jpg
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![File:Artist’s illustration of an advanced extraterrestrial civilization with industrial pollution, a possible "technosignature".jpg](http://upload.wikimedia.org/wikipedia/commons/thumb/9/9d/Artist%E2%80%99s_illustration_of_an_advanced_extraterrestrial_civilization_with_industrial_pollution%2C_a_possible_%22technosignature%22.jpg/727px-Artist%E2%80%99s_illustration_of_an_advanced_extraterrestrial_civilization_with_industrial_pollution%2C_a_possible_%22technosignature%22.jpg)
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:08, 1 April 2021 | ![]() | 3,200 × 2,638 (2.74 MB) | Prototyperspective | Uploaded a work by NASA/Jay Freidlander from https://www.nasa.gov/press-release/goddard/2021/technosignature with UploadWizard |
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