What is the core observation relied upon by the transit method?

Answer

A planet passing directly in front of its host star

The transit method is based on observing when a planet momentarily blocks a tiny fraction of its star's light as it passes between the star and the observer, which is essentially observing a secondary eclipse.

What is the core observation relied upon by the transit method?

#Videos

How to Detect EXOPLANETS - The Transit Method - YouTube

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