How does the number of astronauts compare to the people supporting missions from Earth according to industry observation?

Answer

Astronauts represent only a tiny fraction, with thousands supporting each mission from Earth

While astronauts receive the most public attention, they constitute a minuscule portion of the personnel required to successfully execute a space mission. The reality of modern space exploration involves massive logistical, technological, and operational undertakings that rely on extensive ground support. Industry observations underscore this disparity, indicating that for every single astronaut actively participating in a mission phase, there are thousands of scientists, engineers, technicians, and support staff back on Earth working concurrently to ensure the mission's success and safety.

How does the number of astronauts compare to the people supporting missions from Earth according to industry observation?
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