8.2 Global heat transfer

IB Physics: 8.2 Global heat transfer

The sun is our source of energy. Without it there would certainly be no life on Earth - and in fact no Earth at all! It"s no wonder that ancient civilisations worshipped the Sun as a God.The Sun is a ball of hot gas with a core where hydrogen is fusing to form helium and release energy. We know that the sun is made up of hydrogen and helium because these elements are present in the outer layers. And we know this because...

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