File:Artist’s illustration of an advanced extraterrestrial civilization with industrial pollution, a possible "technosignature".jpg
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Summary
| Description |
English: It may be possible to detect some extraterrestrial civilizations via nitrogen dioxide air pollution |
| Date | |
| Source | https://www.nasa.gov/press-release/goddard/2021/technosignature |
| Author | NASA/Jay Freidlander |
Licensing
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This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) |  |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| 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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