He was the first to describe what type of carbon stars?
Helium-rich
Hydrogen-deficient
Lithium-infused
Neon-bright
Answer
The term hydrogen-deficient carbon stars refers to a specific type of carbon star characterized by an unusually low abundance of hydrogen in their atmospheres compared to regular carbon stars. These stars exhibit peculiar spectroscopic features due to the scarcity of hydrogen, leading to the formation of different molecular species and carbon-based compounds.
The Stellar Legacy of William P. Bidelman: An Astronomical Quiz Quest
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