Question

    What is the name of the outermost layer of the Sun?

    A Lithosphere Correct Answer Incorrect Answer
    B Corona Correct Answer Incorrect Answer
    C Photosphere Correct Answer Incorrect Answer
    D Chromosphere Correct Answer Incorrect Answer

    Solution

    Corona is the outermost layer of the Sun. It experiences a very high temperature, about one million degrees Celcius. It starts at about 2100 kmabove the photosphere. Corona isn't visible from the earth (except during solar eclipse). The corona does not have an upper limit.

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