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sun-grazing comet

   Also found in: Wikipedia 0.01 sec.
sun-grazing comet [′sən ¦grāz·iŋ ′käm·ət]
(astronomy)
A comet whose orbit causes it to either collide with the sun or completely disintegrate in the outer solar atmosphere.
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Toni Scarmato, a high school teacher and a graduate student at Bologna University in Italy, identified the two comets as part of the Kreutz group of sun-grazing comets.
Sun grazers: a thousand comets and counting by Science News
It has also helped generate a three-dimensional view of the sun's interior and has provided spectacular images of sun-grazing comets and solar flares (SN: 5/30/98, p.
Scientists lose contact with solar craft by Cowen, Ron / Science News
Among its discoveries were 10 sun-grazing comets -- comets that fall into the sun or disintegrate from its heat.
R.I.P. Solar Max: the satellite's last days by Eberhart, J. / Science News
 
 
 
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