This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionCassini-science-br.jpg
العربية: إختبار عالي الدقة للنسبية العامة بواسطة مسبار الفضاء كاسيني (تصور فني) يظهر تأخير إشارات الراديو المرسلة بين الأرض والمسبار (الموجة الخضراء) بانحناء الزمكان (الخطوط الزرقاء) بسبب كتلة الشمس.
Source
This file is lacking source information.
Please edit this file's description and provide a source.
The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain.
The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [3]
By electing to download the material from this web site the user agrees:
that Caltech makes no representations or warranties with respect to ownership of copyrights in the images, and does not represent others who may claim to be authors or owners of copyright of any of the images, and makes no warranties as to the quality of the images. Caltech shall not be responsible for any loss or expenses resulting from the use of the images, and you release and hold Caltech harmless from all liability arising from such use.
to use a credit line in connection with images. Unless otherwise noted in the caption information for an image, the credit line should be "Courtesy NASA/JPL-Caltech."
that the endorsement of any product or service by Caltech, JPL or NASA must not be claimed or implied.
Captions
Add a one-line explanation of what this file represents
Artist's concept of general relativity experiment. [http://saturn.jpl.nasa.gov/news/press-releases-03/20031002-pr-a.cfm] {{PD-USGov-NASA}} Image courtesy of NASA/JPL-Caltech License [http://www.jpl.nasa.gov/images/policy/]: ''By electing to download th