Astronomy on MSN
What is the origin of the letters used in star classification?
What is the origin of the letters used in star classification? Why didn't astronomers use ABCD? J. HaldimanChicago, Illinois ...
Stellar spectral types originally followed alphabetical order. But as astronomers observed more stars and obtained more detailed spectra, they consolidated some categories and reordered the remaining ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback