File:Light pollution country versus city.png
Original file (972 × 1,296 pixels, file size: 1.9 MB, MIME type: image/png)
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DescriptionLight pollution country versus city.png |
English: Comparison showing the effects of light pollution on viewing the sky at night.
The southern sky, featuring Sagittarius and Scorpius. Top - Leamington, UT, pop. 217 Bottom - Orem, UT, in a metropolitan area of ~400,000 I've attempted to match sky brightness to how it appeared to my eyes.Русский: Световое загрязнение. Созвездие Стрелец и Скорпион. Сверху - Leamington, штат Юта, США, население 217 человек. Снизу - Orem, штат Юта, США, население ~400,000 |
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Date | |||
Source | originally posted to Flickr as Southern sky, country vs. city | ||
Author | Jeremy Stanley | ||
Permission (Reusing this file) |
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 10:42, 18 February 2012 | 972 × 1,296 (1.9 MB) | Prosfilaes (talk | contribs) | Reverted to version as of 08:00, 10 January 2009; we don't want the details, we want an accurate representation of light levels | |
04:18, 9 February 2011 | 972 × 1,296 (2.04 MB) | Hydrargyrum (talk | contribs) | Applied gamma correction to bring out details in dark areas, for viewing on computer monitors. | ||
08:00, 10 January 2009 | 972 × 1,296 (1.9 MB) | SBarnes (talk | contribs) | {{Information |Description={{en|1=Comparison showing the effects of light pollution on viewing the sky at night. The southern sky, featuring Sagittarius and Scorpius. Top - Leamington, UT, pop. 217 Bottom - Orem, UT, in a metropolitan area of pop. ~400,00 |
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Horizontal resolution | 28.35 dpc |
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Vertical resolution | 28.35 dpc |
File change date and time | 05:49, 7 August 2007 |