A sungrazing comet is a comet that passes extremely close to the Sun at perihelion – sometimes within a few thousand kilometres of the Sun's surface....

Comet ISON, formally known as C/2012 S1, was a sungrazing comet from the Oort cloud which was discovered on 21 September 2012 by Vitaly Nevsky (Віталь...

observers in January 2007. It was the brightest in over 40 years. A sungrazing comet is a comet that passes extremely close to the Sun at perihelion, generally...

Heliospheric Observatory Marsden B.G. (1967), "The Sungrazing Comet Group", The Sungrazing Comet Group I, vol. 72, The Astronomical Journal, p. 1170...

The Kreutz sungrazers (/ˈkrɔɪts/ KROYTS) are a family of sungrazing comets, characterized by orbits taking them extremely close to the Sun at perihelion...

amateur astronomer. He has discovered six comets, including C/2011 W3 (Lovejoy), the first Kreutz Sungrazing comet discovered by ground-based observation...

a sungrazing comet, one which passes extremely close to the surface of the Sun. For many hours on either side of its perihelion passage, the comet was...

brightest, Comet Lovejoy had an apparent magnitude of between –3 and –4, which is about as bright as the planet Venus. It is the brightest sungrazing comet ever...

Although it was undeniably a sungrazing comet, it was probably not part of the Kreutz family. Isaac Newton used the comet to test and verify Kepler's laws...

into many pieces, forming the Great Comet of 1882 and Comet Ikeya–Seki as well as over 4000 small sungrazing comets observed by the SOHO space telescope...