The caption below the image on the
source page directly states: "Luna 1 - 2 Model, credit NASA/NSSDCA (public domain)"
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Image cropped, contrast adjusted, white background made transparent.
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.
[2]
The caption below the image on the
source page directly states: "Luna 1 - 2 Model, credit NASA/NSSDCA (public domain)"
This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Image cropped, contrast adjusted, white background made transparent.
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.
[2]