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STS-131 NASA & Walter Reed Hospital Tissue Growth Experiments - Flight Preps. Original from NASA . Digitally enhanced by rawpixel. | by Free Public Domain Illustrations by rawpixel
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STS-131 NASA & Walter Reed Hospital Tissue Growth Experiments - Flight Preps. Original from NASA . Digitally enhanced by rawpixel.

Out of this world public domain images from NASA. All original images and many more can be found from the NASA Image Library

 

Higher resolutions with no attribution required can be downloaded: www.rawpixel.com/board/418580/nasa

 

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Uploaded on December 18, 2018