Earth’s composition was modified by collisional erosion
Paul Frossard, Claudine Israel, Audrey Bouvier, Maud Boyet Science29 Sep 2022Vol 377, Issue 6614pp. 1529-1532 LINK Supplementary Materials “The samarium-146 (146Sm)–neodymium-142 (142Nd) short-lived decay system (half-life of 103 million years) is a powerful tracer of…
Early 18th century cosmic ray flux inferred from 44Ti in Agen meteorite
Taricco, C., Sinha, N., Bhandari, N. et al. Astrophys Space Sci (2016) 361: 338. doi:10.1007/s10509-016-2909-7 First Online: 26 September 2016 DOI: 10.1007/s10509-016-2909-7 LINK “We report the measurement of radioactivity of cosmogenic 44Ti in Agen meteorite,…