What Is It About the Sun's Corona That Astronomers Don't

question 69

Multiple Choice

What is it about the Sun's corona that astronomers don't understand?

• A)No one knows why that part of the Sun's atmosphere does not drift away into space.
• B)During total solar eclipses, the corona sometimes disappears from view.
• C)The corona seems to absorb 2/3 of the neutrinos that pass through it.
• D)The corona is much hotter than layers of the Sun that are closer to the solar interior.
• E)The Sun's corona extends to the outer reaches of the solar system.

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