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What Cecilia Payne Saw in Stellar Spectra, B2

How Cecilia Payne separated stellar composition from the effects of temperature and ionization on spectra.

En las estrellas encontró Cecilia Payne lo que otros no esperaban

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Level B2 Reading focus

What you'll learn

Subject placement, topic fronting, and no solo... sino también to focus a conclusion

Payne showed that spectral-line strength depends on temperature and ionization and that stars are rich in hydrogen and helium.

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