File:World Trade Center 9-11 Iron-rich sphere.jpg
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Original file (1,024 × 1,024 pixels, file size: 167 KB, MIME type: image/jpeg)
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Summary
| Description |
English: Iron-rich sphere, found in the dust from the destruction of the World Trade Center on September 11, 2001; as documented by the United States Geological Survey. The solidified droplet indicates temperatures in excess of the melting point of iron (2795ºF). |
| Date | |
| Source | http://pubs.usgs.gov/of/2005/1165/graphics/IRON-04-IMAGE.jpg |
| Author | United States Geological Survey, Particle Atlas of World Trade Center Dust |
Licensing
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This image is in the public domain in the United States because it only contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 10:23, 15 August 2009 | | 1,024 × 1,024 (167 KB) | wikimediacommons>Cs32en | Enhanced contrast. |
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