Resources credited to NASA are in the public domain and are available to be freely downloaded and utilized for non-commercial purposes. Please credit "NASA" unless otherwise indicated. The official guidelines for the use of NASA resources can be found at http://www.nasa.gov/multimedia/guidelines/index.html.
Images, animations, and other multimedia resources credited to other institutions and owners can also be utilized freely provided the source is credited exactly as indicated.
If a resource is copyrighted, the copyright owner is identified in the credit line along with a hyperlink to the owner's location. Please contact the owner directly for copyright and permissions questions before using the resource publicly or commercially.
|