NASA, strange confession at “Gateway to Astronaut Photography”

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NASA, strange confession at “Gateway to Astronaut Photography”
https://eol.jsc.nasa.gov/FAQ/#cloudMasks

Where can I find a photograph of the whole Earth as seen from space?

We like the image of the Big Blue Marble” taken from Apollo-17. A private company called Arc Science Simulations has also made satellite composites that have been used in posters and museum displays. These aren’t real photographs, but are combined from many satellite images to show what the Earth would look like if there were, for example, no clouds. The NASA Earth Observations site …