Astronomy Quiz
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TOOLS, DATA & SCIENTIFIC REASONING
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An astronomer claims to have discovered an exoplanet orbiting a nearby star, releasing a single, high-resolution light curve from one night of observation. The light curve shows a clear, symmetrical dip in starlight, consistent with a planetary transit.
To elevate this observation from a 'promising candidate' to a 'confirmed discovery,' which of the following pieces of evidence would be most crucial?
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