I mean it's not hard to do spectrometry on said nebula, and I don't think there is near enough heavier matter detected there.
I mean it's not hard to do spectrometry on said nebula, and I don't think there is near enough heavier matter detected there.
s-process elements (including radioactive ones like technetium) are detected in the spectra of the stars where the process occurs, which means they are right out at the "surface".