Monthly Notices of the Royal Astronomical SocietyPriestly and Weale, 1858 |
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Page 13
... side by side , and the other when they were placed end to end . I found , upon com- paring these effects with those produced on an image reflected from unsilvered glass , that the light is polarised in the plane of the comet's tail . On ...
... side by side , and the other when they were placed end to end . I found , upon com- paring these effects with those produced on an image reflected from unsilvered glass , that the light is polarised in the plane of the comet's tail . On ...
Page 16
... side of the nucleus ; the lower part being cut off by the dark shadow , which is much more diffused , but very dark immediately under the nucleus , spreading out into a parabolic form , leaving two branches of the envelope of ...
... side of the nucleus ; the lower part being cut off by the dark shadow , which is much more diffused , but very dark immediately under the nucleus , spreading out into a parabolic form , leaving two branches of the envelope of ...
Page 19
... side towards the tail was bounded by two ares tending to form a cusp at the nucleus , and on the other side by a semicircular arch , brighter than the space between it and the nucleus . The coma extended beyond this arch , and in the ...
... side towards the tail was bounded by two ares tending to form a cusp at the nucleus , and on the other side by a semicircular arch , brighter than the space between it and the nucleus . The coma extended beyond this arch , and in the ...
Page 22
... side of the envelope being now extended farther than the right in the direction of the tail . ] To the naked eye the tail was fainter and still more diffused than on Oct. 8 , but nearly of the same length . " Oct. 11 , 6. Greater ...
... side of the envelope being now extended farther than the right in the direction of the tail . ] To the naked eye the tail was fainter and still more diffused than on Oct. 8 , but nearly of the same length . " Oct. 11 , 6. Greater ...
Page 22
... side was considerably larger than the corresponding one in the subse- quent direction : this was not very distinctly made out , but such was the prevailing impression . Oct. 11 , when the comet had advanced beyond the range of the great ...
... side was considerably larger than the corresponding one in the subse- quent direction : this was not very distinctly made out , but such was the prevailing impression . Oct. 11 , when the comet had advanced beyond the range of the great ...
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Common terms and phrases
Adams Admiral Smyth angle Apparent R.A. Apparent appearance April Arcturus Astronomer Royal axis bright calculated Captain Carrington Catalogue centre coefficient comparison computed correction crater dark determined diameter direction disk distance ditto Donati's Comet eclipse edge elements envelope ephemeris epoch equations equatoreal error exhibited Geminus Greenwich instrument Jupiter l'équation l'on latitude length light longitude luminous lunar Lune magnitude Mean Solar measures Memoirs meridian Minor Planets mirror Monthly Notices moon moon's limb Nautical Almanac nearly Norman Pogson nucleus object-glass observations obtained occultation October orbit paper perihelion phenomena polar position present Prof Professor proper motions R.A. Apparent N.P.D. rays réfractions remarkable right ascensions ring Royal Observatory Saturn séculaire seen Sept Sheepshanks side Society solar spots standard stars sun's surface T. W. Webb tail telescope theory tion Variable Star visible volume