HD 209458b was the first planet discovered via this eclipse-like event where planets cross in front of stars

If you are looking for the HD 209458b was the first planet discovered via this eclipse-like event where planets cross in front of stars answer and solution then you have come to the right place. This question aired today (October 22 2021) in the popular Jeopardy! TV Show. If you would like to know the answer then continue reading below:

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