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Charting the expansion history of the universe with supernovae


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Where Did The Universe's Antimatter Go? Scientists Inch Closer To Solving The Mystery. New particle accelerator data from the T2K experiment could finally tell us where all the antimatter went.

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Charting the expansion history of the universe with supernovae

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Extraterrestrial radioactive isotope found in seabed has implications for Earth's origins. The dating of the sample confirms two or more supernova explosions occurred near Earth. "Our data could be the first evidence that supernovae do indeed produce plutonium-244."