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 ...
Observations of nearby red dwarf stars reveal rare carbon and oxygen isotopes, offering direct evidence of stellar nucleosynthesis and the chemical evolution of the Milky Way.
Stark broadening, the widening of spectral lines due to the perturbing influence of electric fields from electron collisions, plays a pivotal role in the analysis of stellar atmospheres. This ...
The Daily Galaxy on MSN
This giant star fooled the entire astronomy world, here’s what’s really going on
In 2024, the appearance of a new dust cloud around the star seemed to reinforce the idea that something major was unfolding.
Stellar spectral types were initially arranged alphabetically; however, subsequent detailed observations led to the consolidation and reordering of categories, establishing the current OBAFGKM ...
What is the origin of the letters used in star classification? Why didn't astronomers use ABCD? J. Haldiman Chicago, Illinois Stellar spectral types originally ...
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