sun

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sun

heliophobia.
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References in periodicals archive ?
At the comet's closest approach (less than one solar diameter from the Sun's photosphere), the extreme-ultraviolet cam-eras on the Solar Dynamics Observatory saw nothing, suggesting the nucleus had ceased to emit gas.
For some years (as part of experiments to determine solar diameter variation) I have been videoing total eclipses and it occurred to me recently that a by-product may have been inadvertent recording of shadow band activity.
That moment is perihelion day, November 28th (Thanksgiving in the U.S.), when the comet will whip around the Sun less than one solar diameter from the Sun's surface.
It will fly less than one solar diameter past the Sun's visible surface, with the dusty ice of the comet's nucleus broiling violently.
Roughly 2,000 times the solar diameter, it shines with nearly 500,000 times the Sun's luminosity.