The Encyclopedia Americana, Volume 7Grolier, 1989 - 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 E comet . Comets were formerly of interest to astrono- mers principally because of problems connected ...
... comet derives from a Greek word meaning " long - haired , " which is descriptive of the flowing appearance of the tail of a bright E comet . Comets were formerly of interest to astrono- mers principally because of problems connected ...
Page 367
... COMETS Although some new comets are discovered by professional astronomers , a considerable number are still found by skilled amateurs who search for them visually with small telescopes . The com- ets discovered by professionals are ...
... COMETS Although some new comets are discovered by professional astronomers , a considerable number are still found by skilled amateurs who search for them visually with small telescopes . The com- ets discovered by professionals are ...
Page 368
... comet since Lexell's in 1770 . Bright comets offer outstanding opportunities for scientific study , and important advances in understanding the nature of comets have been coupled with their relatively infrequent appear- ances . They are ...
... comet since Lexell's in 1770 . Bright comets offer outstanding opportunities for scientific study , and important advances in understanding the nature of comets have been coupled with their relatively infrequent appear- ances . They are ...
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