Iron star

Iron star

An iron star is a hypothetic kind of star that could occur in the universe in 10^1500 years. Cold fusion occurring via quantum tunnelling would make the light nuclei in ordinary matter fuse into iron-56 nuclei. Fission and alpha-particle emission would make heavy nuclei also decay to iron, converting stellar-mass objects to cold spheres of iron. Time without end: Physics and biology in an open universe, Freeman J. Dyson, Reviews of Modern Physics 51 (1979), pp. 447–460, doi:10.1103/RevModPhys.51.447.]


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