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BookmarkIn astronomy, a corona is the luminous plasma "atmosphere" of the Sun or other celestial body, extending millions of kilometres into space, most easily seen during a total solar eclipse, but also observable in a coronagraph..
For more information about the topic Corona, read the full article at Wikipedia.org, or see the following related articles:
Solar flare — A solar flare is a violent explosion in the Sun's atmosphere with an energy equivalent to tens of millions of hydrogen bombs. Solar flares take place ... > read more
Solar wind — A solar wind is a stream of charged particles (i.e., a plasma) which are ejected from the upper atmosphere of a star. When originating from stars ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Corona at Wikipedia.org. See the Wikipedia copyright page for more details.
