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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 ...
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An illustration of a magnifying glass. An illustration of a magnifying glass.
Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...
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