關於昭安兄關心的NASA圖片著作權問題
維基百科的說法：This file is in the public domain because it was created by NASA.
NASA copyright policy states that "NASA material is not protected by copyright unless noted".
"NASA提供的，除非特別聲明，皆不受著作權保護"
NASA網站說明：
簡單的說，可以使用在教育與資訊提供上，也可以用於個人網頁，應註明來源。
商業用途有些限制，尤其用在廣告上。
維基百科所提的，全文是"NASA material is not protected by copyright unless noted. If copyrighted, permission should be obtained from the copyright owner prior to use. If not copyrighted, NASA material may be reproduced and distributed without further permission from NASA."
"NASA提供的，除非特別聲明，皆不受著作權保護；如有聲明，使用前應先獲得著作權人允許。如無聲明，表示
可以無須允許下用來重製與散佈。"
原文如下：
Still Images, Audio Recordings, Video, and Related Computer Files
NASA still images; audio files; video; and computer files used in the rendition of 3-dimensional models, such as texture maps and polygon data in any format, generally are not copyrighted. You may use NASA imagery, video, audio, and data files used for the rendition of 3-dimensional models for educational or informational purposes, including photo collections, textbooks, public exhibits, computer graphical simulations and Internet Web pages. This general permission extends to personal Web pages.
This general permission does not extend to use of the NASA insignia logo (the blue "meatball" insignia), the retired NASA logotype (the red "worm" logo) and the NASA seal. These images may not be used by persons who are not NASA employees or on products (including Web pages) that are not NASA-sponsored.
NASA should be acknowledged as the source of the material except in cases of advertising. See NASA Advertising Guidelines.
If the NASA material is to be used for commercial purposes, especially including advertisements, it must not explicitly or implicitly convey NASA's endorsement of commercial goods or services. If a NASA image includes an identifiable person, using the image for commercial purposes may infringe that person's right of privacy or publicity, and permission should be obtained from the person. Any questions regarding application of any NASA image or emblem should be directed to:
Photo Department
NASA Headquarters
300 E St. SW
Washington, DC 20546
Tel: 202-358-1900
Fax: 202-358-4333
Linking to NASA Web Sites
NASA Web sites are not copyrighted, and may be linked to from other Web sites, including individuals' personal Web sites, without explicit permission from NASA. However, such links may not explicitly or implicitly convey NASA's endorsement of commercial goods or services.
NASA images may be used as graphic "hot links" to NASA Web sites, provided they are used within the guidelines above. This permission does not extend to use of the NASA insignia, the retired NASA logotype or the NASA seal.
NASA should be acknowledged as the source of the material except in cases of advertising. See NASA Advertising Guidelines.
Restrictions
As a government entity, NASA does not license the use of NASA materials or sign licensing agreements. The agency generally has no objection to the reproduction and use of these materials (audio transmissions and recordings; video transmissions and recording; or still and motion picture photography), subject to the following conditions:
NASA material may not be used to state or imply the endorsement by NASA or by any NASA employee of a commercial product, service, or activity, or used in any manner that might mislead. Please see NASA Advertising Guidelines and Merchandising Guidelines for more information.
It is unlawful to falsely claim copyright or other rights in NASA material.
NASA shall in no way be liable for any costs, expenses, claims, or demands arising out of the use of NASA material by a recipient or a recipient's distributees.
NASA does not indemnify nor hold harmless users of NASA material, nor release such users from copyright infringement, nor grant exclusive use rights with respect to NASA material.
NASA material is not protected by copyright unless noted. If copyrighted, permission should be obtained from the copyright owner prior to use. If not copyrighted, NASA material may be reproduced and distributed without further permission from NASA.
If a recognizable person, or talent (e.g., an astronaut or a noted personality engaged to narrate a film) appears in NASA material, use for commercial purposes may infringe a right of privacy or publicity. Therefore, permission should be obtained from the recognizable person or talent. If the proposed use of the NASA material could be viewed as a commercial exploitation of that person. However, if the intended use of NASA material is primarily for communicative purposes, i.e., books, newspapers, and magazines reporting facts of historical significance (constitutionally protected media uses), then such uses will generally be considered not to infringe such personal rights.
Some NASA audiovisual material may incorporate music or footage, which is copyrighted and licensed for the particular NASA work. Any editing or otherwise altering of the work may not be covered under the original license, and therefore would require permission of the copyright owner.
NASA audiovisual material may include visible NASA identifiers (e.g., the name of the vehicle and the NASA Insignia or Logotype in photographs or film footage of Space Shuttle vehicles). Use of such materials is generally non-objectionable, provided the NASA identifiers appear in their factual context
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