Text: "The missing mass - now it's a gravitino!" Two particle theorists (H. Pagels and J. Primack) propose the gravitino as a new candidate for the dark matter that may close the universe. The two candidates for dark matter now are gravitinos and neutrinos with mass. Nature. 297(5862), May 13, 1982. p. 102-103.

See Also: gravitinos, neutrinos, cosmology, dark matter.

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