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Riccardo Giacconi

Riccardo Giacconi was an influential astrophysicist known for his pioneering work in high-energy astrophysics, particularly the study of X-rays from celestial sources. His research led to the discovery of the first X-ray sources beyond our solar system, significantly advancing our understanding of black holes, neutron stars, and the universe's evolution. Giacconi's contributions, including the development of space telescopes and the study of cosmic background radiation, earned him the Nobel Prize in Physics in 2002. His work transformed how we observe the universe, revealing hidden phenomena and enriching our knowledge of the cosmos.