| 1. | Proper metallicity and size are also very important to stability.
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| 2. | The metallicity of many astronomical objects cannot be measured directly.
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| 3. | Proper metallicity and size are also very important to low luminosity variation.
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| 4. | There is no significant spread in metallicity throughout the galaxy.
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| 5. | No such metallicity biases are known for short gamma-ray bursts.
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| 6. | The metallicity rises from the outer region towards the centre.
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| 7. | Early stars with low metallicity burn slower than later starts.
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| 8. | Indeed, it has the lowest metallicity of any OoI cluster known.
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| 9. | It has the lowest metallicity of any known star.
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| 10. | Low metallicity red dwarfs, however, are rare.
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