| 21. | Such a star expands like an inflated balloon to the red giant stage.
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| 22. | Leo is also home to one bright variable star, the red giant R Leonis.
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| 23. | Red giant nucleosynthesis doesn't produce elements as heavy as potassium.
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| 24. | One possible explanation was that younger galaxies contain more red giants than older galaxies.
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| 25. | The football universe is different now, filled by a red giant of a star.
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| 26. | Instead they cool along the subgiant branch until they reach the red giant branch.
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| 27. | Can some red giant be as big as Mars orbit.
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| 28. | Prominent bright red giants include Aldebaran, Arcturus, and Gamma Crucis.
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| 29. | Together with Peter Goldreich, he correctly determined that planetary nebulae evolve from red giants.
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| 30. | In the middle of a red giant is the seed of a white dwarf.
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