Sentences with phrase «periodic dips in brightness»
Stassun is a co-principal investigator on the project and he and his team will be selecting the specific stars that the project will target in its search for subtle, periodic dips in brightness that occurs when a planet transits across a star's face.
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Over a two - year period, TESS will hunt for exoplanets with the help of a phenomenon known as transit — where a planet passes in front of its star (from an observer's point of view) causing a periodic and regular dip in brightness.