Fig. 1: 4He concentrations vs. grain size for mainstream SiC from the Murchison meteorite. | Nature Communications

Fig. 1: 4He concentrations vs. grain size for mainstream SiC from the Murchison meteorite.

From: History of individual presolar SiC grains revealed by stellar winds

Fig. 1: 4He concentrations vs. grain size for mainstream SiC from the Murchison meteorite.

Solid line: detection limit of Heck et al. (2007)15. Dashed line: estimated detection limit of this study. Plots of Heck et al. (2007)15 (open circle) and this study (solid circle) are analyses of individual grains. Plots of Lewis et al. (1994)6 (cross) are bulk analyses of size-sorted SiC grain fractions, not of individual grains. Source data are provided as a Source Data file.

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