The Encyclopedia Americana, Volume 7Grolier, 1994 - Encyclopedias and dictionaries |
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Page 365
... comet derives from a Greek word meaning " long - haired , " which is descriptive of the flowing appearance of the tail of a bright comet . Comets were formerly of interest to astronomers principally because of problems connected with ...
... comet derives from a Greek word meaning " long - haired , " which is descriptive of the flowing appearance of the tail of a bright comet . Comets were formerly of interest to astronomers principally because of problems connected with ...
Page 367
... comets Shoemaker , comet Sugano - Saigusa - Fujikawa , and comet Churyumov - Solodovnikov . Very occasionally a comet has been named for a person who did extensive computational work on its orbit . Such well - known comets as Halley's ...
... comets Shoemaker , comet Sugano - Saigusa - Fujikawa , and comet Churyumov - Solodovnikov . Very occasionally a comet has been named for a person who did extensive computational work on its orbit . Such well - known comets as Halley's ...
Page 368
... Comets thus may follow one of several tracks as they age . The nucleus may gradually disintegrate as ices are lost ... comets were regularly a little early to perihelion ( comet Encke ) or a little late ( comet Halley ) could be ...
... Comets thus may follow one of several tracks as they age . The nucleus may gradually disintegrate as ices are lost ... comets were regularly a little early to perihelion ( comet Encke ) or a little late ( comet Halley ) could be ...
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