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 ...
Morning Overview on MSN
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, ...
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