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...course of 40 hours. After analysing their data, they found that the planet transit began 77.8 minutes earlier than predicted. This is interpreted as a so-called transit timing variation, caused by an unaccounted for gravitational tug on the planet by an unseen body. The same technique has previously been employed to determine the masses of planets in systems with multiple...

...course, as the publicity of Hidden Figures. But for a long time women didn’t have such visible role models working in science or space. [A photograph of Katherine Johnson seated wearing her newly awarded Presidential Medal of Freedom. She is sat in the centre of the photo with a man sat behind her. She wears a black blazer and orange blouse underneath, with small medals...