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Risk severe eye damage - PowerPoint PPT Presentation

T . It is true! The Sun is about 74% hydrogen, 25% helium and 1% everything else (by mass).

IQ. The sun is made of hydrogen (~74%) and helium (~25%), making it similar in composition to the theoretical mix of the universe at the time of the Big Bang. T F. IQ. T . It is true! The Sun is about 74% hydrogen, 25% helium and 1% everything else (by mass).

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Risk severe eye damage - PowerPoint PPT Presentation

T . It is true! The Sun is about 74% hydrogen, 25% helium and 1% everything else (by mass).