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Explorations An Introduction to Astronomy, 3/e
Thomas T. Arny

The Sun, Our Star

Essay



1

Why can the Sun not be powered by a chemical process such as the combustion of hydrogen and oxygen to form water?
2

Why is hydroelectric power generation an indirect form of solar power?
3

The Sun’s corona has a temperature of 1 million K. Why does it not incinerate us?
4

Why is sailing an indirect form of solar power?