COMET ATLAS IS HALF AS WIDE AS THE SUN: Comet ATLAS (C/2019 Y4) just keeps getting better. The rapidly brightening emerald green comet is now half as wide as the sun. It's not yet visible to the naked eye, but could soon be. Visit Spaceweather.com for observing tips and the full story.
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Above: Comet ATLAS on March 18, 2020, photographed by Michael Jäger of Weißenkirchen, Austria. More images may be found in our Comet ATLAS Photo Gallery.