| 11. | Oxygen is surely an alpha element in low-metallicity population II stars.
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| 12. | Stars with higher metallicity such as this are more likely to host planets.
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| 13. | The exact mass ranges depend on metallicity and rotation.
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| 14. | Additionally the metallicity, outflows, and detailed evolution with redshift is unknown.
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| 15. | :I think metallicity is the general concept you're looking for.
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| 16. | It is more massive and slightly smaller than the Sun with high metallicity.
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| 17. | The metallicity of an astronomical object may provide an indication of its age.
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| 18. | The star's metallicity is more than double that in the Sun.
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| 19. | YBP 1194 has a higher metallicity than the Sun.
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| 20. | HD 71334 has a lower metallicity that the Sun.
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