We've just identified a brand new isotope of the rarest element in our planet's crust.
astatine is the lightest isotope of astatine discovered yet, and could help physicists better understand the process of alpha decay, and the structure and limitations of atomic nuclei.
"The studies of new nuclei are important for understanding the structure of atomic nuclei and the limits of known matter,"Astatine is highly radioactive, and extremely unstable. It only occurs in nature as a sort of stepping stone, a product of the decay of heavier elements thatastatine, which has a half-life of just over 8 hours; most of its isotopes have half-lives less than a few seconds.present on our planet at ony one moment.
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