View Full Version : Spectroscopy in 1881

2010-Nov-15, 06:10 PM
Presently, I’ve been reading a lot of very old papers and books in astronomy. The work I’m currently reading a portion of, is from 1881, and is a summary of all the findings of the year in all fields of Science. For those that aren’t familiar with that time period in astronomy, the big thing [...]

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