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 ...
Green Matters on MSN
NASA uses math to ‘hear’ music of stars and track their movements for the first time
The state-of-the-art data sonification system translates pixels of celestial objects into sounds, thereby composing melodious ...
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