Explanation:
The Sun's disk was totally eclipsed for a brief 20 seconds as the Moon's dark
umbral shadow raced across Pokwero in northwestern Uganda on November 3rd. So
this sharp telescopic view of totality in clear skies from the central African
locale was much sought after by eclipse watchers. In the inspiring celestial
scene the Moon just covers the overwhelmingly bright photosphere, the lower,
normally visible layer of the Sun's atmosphere. Extending beyond the
photosphere, the reddish hydrogen alpha glow of the solar chromosphere outlines
the lunar silhouette, fading into the Sun's tenuous, hot, outer atmosphere or
corona. Planet-sized prominences reaching beyond the limb of the active Sun
adorn the edges of the silhouette, including a cloud of glowing plasma
separated from the chromosphere near the 1 o'clock position.
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