THE RAPID BRIGHTENING OF COMET NEOWISE: This week, Comet NEOWISE (C/2020 F3) is passing by the sun and rapidly brightening to naked-eye visibility. New images from the Solar and Heliospheric Observatory (SOHO) show an 8-fold increase in brightness over just a few days. A movie of the comet's development is featured on today's edition of Spaceweather.com.
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Above: A composite image of Comet NEOWISE passing by the sun created by Spaceweather.com reader Bum-Suk Yeom of Iksan, South Korea.
