High early solar activity inferred from helium and neon excesses in the oldest meteorite inclusions
L. Kööp, P. R. Heck, H. Busemann, A. M. Davis, J. Greer, C. Maden, M. M. M. Meier & R. Wieler Nature Astronomy (2018) Published: 30 July 2018 LINK “Astronomical observations show that early in…
A multielement isotopic study of refractory FUN and F CAIs: Mass-dependent and mass-independent isotope effects
Levke Kööp, Daisuke Nakashima, Philipp R. Heck, Noriko T. Kita, Travis J. Tenner, Alexander N. Krot, Kazuhide Nagashima, Changkun Park, Andrew M. Davis Geochimica et Cosmochimica Acta In Press, Accepted Manuscript, Available online 26 April…