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Kreutz sungrazing comets The yellow region shows the approximate area in which Kreutz sungrazing comets would appear during the eclipse. Note that even though comets move fast, they would NOT appear to move at all during the two or three minutes of totality that any observer may get. This image assumes a South-facing observer in Tennessee, but the geometry here relative to the Sun and Mars is basically the same for everyone during the eclipse. Stellarium / Karl Battams