| Discovery of a Supernova Explosion at Half the Age of the Universe and its Cosmological Implications (2007) | |||||||||||||||
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| , Munich, Germany 11 L.P.C.C. Coll`ege de France, Paris, France 12 European Southern Observatory, La Silla, Chile 13 Space Telescope Science Institute, Baltimore, Maryland, USA; affiliated with the Astrophysics Division, Space Science Department of ESA 14 Department of Astronomy, University of Barcelona, Barcelona, Spain 15 Department of Astronomy, Yale University, New Haven, Connecticut, USA 16 Isaac Newton Group, La Palma, Spain The ultimate fate of the universe, infinite expansion or a big crunch, can be determined by measuring the redshifts, apparent brightnesses, and intrinsic luminosities of very distant supernovae. Recent developments have provided tools that make such a program practicable: (1) Studies of relatively nearby Type Ia supernovae (SNe Ia) have shown that their intrinsic luminosities can be accurately determined 1;2;3 | |||||||||||||||
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