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  Musical notes that sound pleasant together can form a harmony. These notes are usually in a special relationship with each other: when expressed as frequencies, their ratios result in simple fractions, such as four-thirds or three-halves. Similarly, a planetary system can also form a kind of harmony when planets, whose orbital period ratios form simple fractions, regularly attract each other with their gravity. When one planet takes three days to orbit its star and its neighbor takes two days, for example. Using the CHEOPS space telescope, scientists from the University of Geneva, the University of Bern and the National Center of Competence in Research PlanetS, found such relationships between five of six planets orbiting the star TOI-178, located over 200 light years away from Earth. The results were published in the journal

Yann alibertNathan haraAdrien leleuNational centerUniversity of genevaEuropean space agencyHabitability of the university bernUniversity of bernExoplanet survey satelliteResearch planetResearch planetsTransiting exoplanet survey satelliteEuropean southern observatoryParanal observatoryநாதன் ஹராதேசிய மையம்