The Kreutz sungrazers (/ ˈ k r ɔɪ t s / ⓘ KROYTS) are a family of sungrazing comets, characterized by orbits taking them extremely close to the Sun at perihelion. At the far extreme of their orbits, aphelion , Kreutz sungrazers can be a hundred times farther from the Sun than the Earth is, while their distance of closest approach can be ... More @Wikipedia
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