What modern method provides undeniable, engineering-based confirmation of Earth's orbital path?

Answer

The successful navigation of space missions to other planets

Missions sent to other parts of the solar system must calculate trajectories based on the Sun being the central mass; the success of these missions validates the underlying orbital mechanics.

What modern method provides undeniable, engineering-based confirmation of Earth's orbital path?

#Videos

How We Figured Out That Earth Goes Around the Sun - YouTube

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