The Sun’s crowning glory: observing the corona

This science article explores Dr DeLuca’s recent project aimed to observe five magnetically sensitive coronal emission lines in the Sun’s corona during the recent 2017 solar eclipse.

How do you observe a faint light next to a very bright one? Put simply, with great difficulty. Our knowledge of the outer atmosphere of the Sun – called its corona – is still fairly limited, due to difficulties observing this part of the Sun. Fortunately, solar eclipses (where the Moon and Sun perfectly overlap ‘in syzygy’) provide scientists, such […]

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