epa10479936 Nobel Prize in Physics laureates Canadian-American astrophysicist James Peebles (3L), Swiss astronomer Didier Queloz (2L), Canadian astrophysicist Arthur B. McDonald (2R), Swiss astrophysicist Michel Mayor (R) and American physicist Barry Barish (3R) attend the World Copernican Congress held to mark the the 550th anniversary of Nicolaus Copernicus's birth in Torun, northern Poland, 20 February 2023. The Congress, attended by hundreds of scientists from around the world, will run until 21 February. EPA/TYTUS ZMIJEWSKI POLAND OUT
