Tr u e o r f a l s e ? questions1 ) the sun is almost entirely composed of hydrogen and hellium? 2 ) a parsec is a greater distance than a light year ? 3 ) stars more massive than the sun use up their fuel at a slower rate? 4 ) the corona is visible only during eclipse because it is the coolest layer of the sun's atmosphere ? 5 ) when hydrogen nuclei fuse they produce helium ? 6 ) the state of matter found in the sun's interior is plasma ? 7 ) scientists gather evidence about the sun's composition by directly sampling material from the sun ?
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Tr u e o r f a l s e ? questions1 ) the sun is almost entirely composed of hydrogen and hellium? 2...
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