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 ...
Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. On a clear, moonless night, you might be able to see thousands of ...
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Einstein Probe catches an intense X-ray flare from a nearby star
The Einstein Probe space telescope has captured a powerful X-ray outburst from a nearby K-type star, offering a rare, ...
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 ...
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