The Encyclopedia Americana, Volume 7Grolier Incorporated, 1999 - Encyclopedias and dictionaries A thirty-volume encyclopedia covering important world events while providing major new treatments of selected topics in various academic fields. |
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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 astrono- mers 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 astrono- mers principally because of problems connected with ...
Page 367
... comets . Many of the observed molecules are composed of atoms of hydrogen , carbon , oxygen , and nitrogen in ... comets as Halley's and Encke's were named in this way . History of Comet Study . Bright comets have been subjects of ...
... comets . Many of the observed molecules are composed of atoms of hydrogen , carbon , oxygen , and nitrogen in ... comets as Halley's and Encke's were named in this way . History of Comet Study . Bright comets have been subjects of ...
Page 368
... Comets thus may follow one of several tracks as they age . The nucleus may gradually disinte- grate 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 disinte- grate 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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Bibliographic information
| Title | The Encyclopedia Americana, Volume 7 The Encyclopedia Americana, Grolier Incorporated, ISBN 0717201317, 9780717201310 |
| Contributor | Grolier Incorporated |
| Publisher | Grolier Incorporated, 1999 |
| Original from | Pennsylvania State University |
| Digitized | 25 May 2011 |
| ISBN | 0717201317, 9780717201310 |
| Export Citation | BiBTeX EndNote RefMan |