Definitions from Wiktionary (birthline)
▸ noun: (astronomy) A predicted line on the Hertzsprung-Russell diagram that relates the effective temperature and luminosity of pre-main-sequence stars at the start of their contraction.
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▸ noun: (astronomy) A predicted line on the Hertzsprung-Russell diagram that relates the effective temperature and luminosity of pre-main-sequence stars at the start of their contraction.
Similar:
main sequence,
sun line,
leading line,
asymptotic giant branch,
Hertzsprung-Russell diagram,
sunline,
equinoctial line,
bustline,
heartline,
greyline,
more...
Opposite:
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▸ Wikipedia articles (New!)
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▸ Words that often appear near birthline
▸ Rhymes of birthline
▸ Invented words related to birthline