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Exoplanet Size Precission at One Percent

• arclein
Next, both Spitzer and Kepler recorded multiple transits at visible and infrared wavelengths. Data from the observatories agreed: Kepler 93 b was really a planet and not some artefact of stellar variability. Ballard then knew that by looking carefully at the light curve she could calculate the size of the planet relative to the star.

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