File:Uranus 2004.jpg
Original file (1,021 × 795 pixels, file size: 463 KB, MIME type: image/jpeg)
Summary[edit | edit source]
An infrared composite image of the two hemispheres of Uranus obtained with Keck adaptive optics.
The component colors of blue, green, and red were obtained from images made at near infrared wavelengths of 1.26, 1.62, and 2.1 microns respectively. The images were obtained on July 11 and 12, 2004.
The representative balance of these infrared images which were selected to display the vertical structure of atmospheric features gives a reddish tint to the rings, an artifact of the process.
The North pole is at 4 o'clock.
Licensing[edit | edit source]
| Description |
This is an infrared composite of Uranus obtained with Keck Observatory adaptive optics. |
|---|---|
| Source |
Uranus from Earth, url=http://solarsystem.nasa.gov/multimedia/display.cfm?Category=Planets&IM_ID=3163. |
| Date |
July 11, 2004 |
| Author |
Lawrence Sromovsky, University of Wisconsin-Madison/ W. M. Keck Observatory. |
| Rationale |
No free licensed or public domain alternatives known to exist to show an infrared composite of Uranus obtained with Keck Observatory adaptive optics. |
| Permission |
Fair use claimed |
This work is copyrighted. The individual who uploaded this work and first used it in an article, as well as subsequent persons who place it into articles, asserts that this qualifies as fair use of the material under United States copyright law.
This template must be accompanied by a {{Non-free media rationale}} justifying the assertion of fair use.
Note: The kinds of things that are considered acceptable for fair use on Wikiversity is significantly less than what is legally permitted. Please consult the Wikimedia Foundation Fair Use Policy to see if this content is permitted on Wikiversity under these further restrictions. Familiarize yourself with the Wikiversity Exemption Doctrine Policy before using this template.
Fair use for Infrared astronomy[edit | edit source]
To illustrate the nature of the infrared composite of both hemispheres of Uranus using adaptive optics, since no picture can be obtained of this specific composite, especially including the detection of clouds (white and cyan portions of images).
The image linked here is claimed to be used under fair use as:
- It is a scientifically significant image of the planet Uranus in two hemispheres using adaptive optics in the infrared, three wavelengths, especially containing the detection of cloud bands and individual clouds (white and cyan portions).
- It is of much lower resolution than the original (copies made from it will be of very inferior quality).
- The image is only being used for informational/educational purposes.
- Its inclusion in the article adds significantly to the article because it shows the phenomenon depicted in the article and how it has a significant impact on Uranus to the general public.
- Not replaceable with a free image since this phenomenon so imaged is rare.
Fair use for Uranus[edit | edit source]
To illustrate the nature of the infrared composite of both hemispheres of Uranus for the learning resource about the gaseous object in orbit around the Sun using adaptive optics, since no picture can be obtained of this specific composite, especially including the detection of clouds (white and cyan portions of images).
The image linked here is claimed to be used under fair use as:
- It is a scientifically significant image of the planet Uranus in two hemispheres using adaptive optics in the infrared, three wavelengths, especially containing the detection of cloud bands and individual clouds (white and cyan portions).
- It is of much lower resolution than the original (copies made from it will be of very inferior quality).
- The image is only being used for informational/educational purposes.
- Its inclusion in the article adds significantly to the article because it shows the phenomenon depicted in the article and how it has a significant impact on Uranus to the general public.
- Not replaceable with a free image since this phenomenon so imaged is rare.
File history
Click on a date/time to view the file as it appeared at that time.
| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 20:10, 8 April 2013 | | 1,021 × 795 (463 KB) | Marshallsumter (discuss | contribs) | An infrared composite image of the two hemispheres of Uranus obtained with Keck adaptive optics. The component colors of blue, green, and red were obtained from images made at near infrared wavelengths of 1.26, 1.62, and 2.1 microns respectively. The ... |
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