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27-10-2015 | Image: ©Andrzej Udalsk | Portrait: ©Dr Krzysztof Ulaczyk

Surveying the sky in search for new planets

As empirical experiments are almost impossible in astronomy, research in this field relies heavily on observation. Prof. Andrzej Udalski set new frontiers in observational astronomy, in particular in the search for extra-solar planets, using a cutting-edge gravitational microlensing technique which enables the study of celestial objects irrespective of the light they emit.