Evidence for live 247Cm in the early solar system
Nature
By: M. Tatsumoto and T. Shimamura
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Abstract
Variations of the 238U/235U ratio in the Allende meteorite, ranging from -35% to + 19%, are interpreted as evidence of live 247Cm in the early Solar System. The amounts of these and other r-products in the Solar System indicate values of (9,000??3,000) Myr for the age of the Galaxy and ??? 8 Myr for the time between the end of nucleosynthesis and the formation of meteoritic grains. Three possible explanations are presented for the different values of the latter time period which are indicated by the decay products of 247Cm, 26Al, 244Pu and 129I. ?? 1980 Nature Publishing Group.
Suggested Citation
Tatsumoto, M., Shimamura, T., 1980, Evidence for live 247Cm in the early solar system: Nature, v. 286, no. 5769, p. 118-122, https://doi.org/10.1038/286118a0.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Evidence for live 247Cm in the early solar system |
| Series title | Nature |
| DOI | 10.1038/286118a0 |
| Volume | 286 |
| Issue | 5769 |
| Year Published | 1980 |
| Language | English |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Nature |
| First page | 118 |
| Last page | 122 |