SheBuysTravel on MSN

11 places you don’t want to miss in Kansas City

Kansas City, Missouri, is the perfect destination for travelers seeking a vibrant blend of culture, history and culinary ...
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 ...