Sentences with phrase «visible during a total solar eclipse»
Pictured: The very faint, upper level of the sun's atmosphere, called the corona, becomes visible during a total solar eclipse.
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Then on August 21, 2017, experience 2 minutes and 40 seconds of totality during the first North American total solar eclipse in nearly 30 years — and the first visible from the contiguous states since 1979.
When viewed during a total solar eclipse, the red rim of the chromosphere is just visible to the naked eye.