This is a file from the Wikimedia Commons. Information from its description page there is shown below. Commons is a freely licensed media file repository. You can help.
Summary
DescriptionWalking on the moon.jpg
English: Scanning Transmission Electron Microscopy of a dog-shaped aggregate core-shell nanoparticles. The particles are composting of silver nanoparticles (dark core) and silica layer (light shell) and put on a TEM cupper grid. Magnification 120,000X
Date
Source
Own work
Author
Dedyseptiadi7
Licensing
I, the copyright holder of this work, hereby publish it under the following license:
This file is licensed under the Creative Commons Attribution-Share Alike 4.0 International license.
You are free:
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.