Home > Term: А жұлдызы
А жұлдызы
Star with spectral type A in which the spectrum of the Balmer lines of hydrogen attain their greatest strength. Helium lines can no longer be seen. Some metallic lines are present; in late A stars the H and K lines of ionized calcium appear. A0 stars have a color index of zero.
- Part of Speech: noun
- Industry/Domain: Astronomy
- Category: General astronomy
- Company: Caltech
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Creator
- Mankent
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