Assertion: plutonium's life | /r/HasProperty | observed by fermi's team
Facets:
Source sentences:
text: A month later, the almost totally unexpected discovery of nuclear fission by Hahn, Meitner, and Otto Frisch put an end to the possibility that Fermi had discovered element 93 because most of the unknown half-lives that had been observed by Fermi's team were rapidly identified as those of fission products.