Neutron star. Credit: NASA
A team of scientists from The Hebrew University of Jerusalem suggests a solution to the Galactic radioactive plutonium puzzle. All the Plutonium used on Earth is artificially produced in nuclear reactors. Still, it turns out that it is also produced in nature. “The origin of heavy elements produced in nature through rapid neutron capture (‘r-process’) by seed nuclei is one of the current nucleosynthesis mysteries,” Dr Hotokezaka, Prof Piran and Prof Paul from the Racah Institute of Physics at the Hebrew University of Jerusalem said in their letter. Plutonium is a radioactive element. Its longest-lived isotope is plutonium-244 with a lifetime of 120 million years.
Detection of plutonium-244 in nature would imply that the element was synthesized in astrophysical ph...
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