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I have a 135-year-old book by Camille Flammarion that explains how astronomers were able to analyze the content of stars with spectroscopy.
by JPLeRouzic 1y ago
I have a 135-year-old book by Camille Flammarion that explains how astronomers were able to analyze the content of stars with spectroscopy.
- dylan604 1y agoTo further the reading... https://en.wikipedia.org/wiki/Spectroscopy https://en.wikipedia.org/wiki/Spectroscopy