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staedtler staedtler
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7 years ago
Compared to the composition of the early Sun, the composition of the gas at the core of a star that has just become a red giant is
A)   very different since thermonuclear fusion has transformed all the hydrogen and helium into heavier elements.
B)   very different, with lots of hydrogen but almost no helium left after thermonuclear fusion.
C)   very different since thermonuclear fusion has transformed all the hydrogen into helium.
D)   the same, with a high fraction of hydrogen compared to helium since these stars were produced with the same initial material.
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Discovering the Universe

Discovering the Universe


Edition: 7th
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discovererdiscoverer
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staedtler Author
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7 years ago
Grinning Face Exactly what I needed
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