The Comets: A Descriptive Treatise Upon Those Bodies. With a Condensed Account of the Numerous Modern Discoveries Respecting Them; and a Table of All the Calculated Comets, from the Earliest Ages to the Present TimeJ.N. Parker and son, 1852 - 184 oldal |
Részletek a könyvből
1 - 5 találat összesen 29 találatból.
3. oldal
... century , the real number of comets which have visited these parts of space must be very much larger , probably amounting to not less than 3000 , since it would appear , from the experience of the past century , that only one in every ...
... century , the real number of comets which have visited these parts of space must be very much larger , probably amounting to not less than 3000 , since it would appear , from the experience of the past century , that only one in every ...
4. oldal
... Century . XI . Comets observed in Europe and China . Century . 36 XVI . • · XII .. 26 XVII . XIII . 26 XVIII . XIV . 29 XV . 27 Comets observed in Europe and China . 31 • 25 64 XIX . ( first half ) 80 Giving a total of 607 . The ...
... Century . XI . Comets observed in Europe and China . Century . 36 XVI . • · XII .. 26 XVII . XIII . 26 XVIII . XIV . 29 XV . 27 Comets observed in Europe and China . 31 • 25 64 XIX . ( first half ) 80 Giving a total of 607 . The ...
5. oldal
... all occurred during the present century . There are some few comets which have only been seen once , unfavourable weather preventing further observation . In these cases we cannot ascertain DURATION OF VISIBILITY . 5.
... all occurred during the present century . There are some few comets which have only been seen once , unfavourable weather preventing further observation . In these cases we cannot ascertain DURATION OF VISIBILITY . 5.
9. oldal
... century , was discovered in various parts of the world , two or three degrees only from the sun's limb : it must have far exceeded the planet Venus in bril- liancy . Instances are on record where comets have become visible during an ...
... century , was discovered in various parts of the world , two or three degrees only from the sun's limb : it must have far exceeded the planet Venus in bril- liancy . Instances are on record where comets have become visible during an ...
13. oldal
... century which has been accompanied by a tail of very great length , is that of 1843 , its average extent was about 45 ° , but on one occasion a narrow ray of light attained the enormous distance of 65 ° from the head . It would lead us ...
... century which has been accompanied by a tail of very great length , is that of 1843 , its average extent was about 45 ° , but on one occasion a narrow ray of light attained the enormous distance of 65 ° from the head . It would lead us ...
Más kiadások - Összes megtekintése
The Comets - A Descriptive Treatise Upon Those Bodies, with a Condensed ... John Russell Hind Nincs elérhető előnézet - 2011 |
Gyakori szavak és kifejezések
amongst the stars Aphelion appearance April arrival at perihelion astronomers August Author axis Berlin Biela bodies Bouvard bright Brorsen Burckhardt calculated Cambridge century Chinese observations Clausen Collegio Romano comet discovered comet observed Comet of Encke comet of Halley comet was observed computed constellation D'Arrest December detected diameter Discovered by Pons earth elements epoch exhibited February Gambart grand comet Greenwich Mean Halley's comet heavens Herschel Hevelius Hind History identity Isle of Bourbon January John Herschel July June Jupiter Königsberg Laugier length Lexell March Marseilles Mechain miles month motion naked eye nebulosity November nucleus numbers observatory observed in Europe Octavo October Olbers Ophiuchus parabolic Paris path perihelion distance perihelion passage period of revolution periodical comet perturbations Peter Apian Pingré planetary probable Professor Encke remarkable comet right ascension Rome Rümker Second Edition Sept September Struve sun's tail tions Tycho Brahe Ursa Major Verrier Vico
Népszerű szakaszok
185. oldal - Varronianus. A Critical and Historical Introduction to the Ethnography of Ancient Italy, and to the Philological Study of the Latin Language. By the late JW DONALDSON, DD Third Edition, revised and considerably enlarged. 8vo. 16*.
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