https://www.nasa.gov/nasa-brand-center/images-and-media/
Guidelines for using NASA Images and Media Guidelines
NASA content - images, audio, video, and media files are generally are not subject to copyright in the United States for non-commercial use.
images and mediaguidelinesusingnasa
https://mediadeduper.com/
Media Deduper Deletes Duplicate and Unused WordPress Images
Apr 5, 2022 - Why do you have 3 copies of the same darn image file? How can you stop coworkers from duplicating images EVERY TIME they post a blog? Media Deduper can help.
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