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  • BBC Sky at Night

    Q&A WITH A PLANET HUNTER

    Jun 16, 2022 2 minutes

    Melissa Brobby interviews Dr Iain McDonald

    What is microlensing and how many planetary candidates have been found in data from the Kepler space telescope using the method?

    We found five planetary candidates via microlensing, which works by waiting until the planets pass in front of a background star. Einstein’s theory of relativity states that light from the background star should be bent around the planet, which

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