 | William Nicholson - 1787 - Liczba stron: 446
...tail begins to appear while they are yet in a- higher, and conie-» qtieurfy colder region th-aa Mass. The tail is: always directed to that part of the heavens which is directly or nearly oppofide to the Sun; and is greater after the comet has paft its perihefiurn, than during its approach... | |
 | George Adams - 1794 - Liczba stron: 622
...internal part the nucleus. When a comet arrives at a certain diftance from the fun, an exhalation arifes from it, which is called the tail. The tail is always...directly or nearly oppofite to the fun, and is greater, and brighter, after the comet has pafled it's perihelium, than in it's approach to it ; being greateft... | |
 | George Adams - 1794 - Liczba stron: 600
...internal part the nucleus. When a comet arrives at a certain diftance from the fun, an exhalation arifes from it, which is called the tail. The tail is always directed to that part of the heavens which is dircctly or nearly oppofite to the fun, and is greater, and brighter, after the comet has pafTcd it's... | |
 | William Nicholson - 1796 - Liczba stron: 440
...the tail begins to appear while they are yet in a higher, and confequently colder region than Mars. The tail is always directed to that part of the heavens which is direcUy directly or nearly oppofite to the Sun; and is greater after the comet has paft its perihelium,... | |
 | William Nicholson - 1805 - Liczba stron: 446
...the tail begins to appear while they are yet in a higher, and confequently colder region than Mars. The tail is always directed to that part of the heavens which is directly dire&ly or nearly oppofite to the Sun; and is .greater after the comet has paft its perihelium, than... | |
 | George Gregory - 1808 - Liczba stron: 452
...happens commonly that a comet is accompanied by a train of light, sometimes very long, as at L, and always directed to that part of the heavens which is directly, or nearly, opposite to the sun; this is called the tail of the comet. Newton attributes the rise and the direction... | |
 | George Adams - 1812 - Liczba stron: 552
...internal part the nucleus. When a comet arrives at a certain distance from the sun, an exhalation arises from it, which is called the tail. The tail is always...that part of the heavens which is directly or nearly opposite to the sun, and is greater and brighter after the comet has passed its perihelium. The tail... | |
 | George Adams - 1812 - Liczba stron: 586
...internal part the nucleus. When a comet arrives at a certain distance from the sun, an exhalation arises from it, which is called the tail. The tail is always...that part of the heavens which is directly or nearly opposite to the sun, and is greater and brighter after the comet has passed its perihelium. The tail... | |
 | John Bonnycastle - 1816 - Liczba stron: 490
...they are yet in a higher, and consequently a colder region, than Mars. In every situation of the comet the tail is always directed to that part of the heavens which is nearly opposite to the sun ; and is always greater after the comet has passed its perihelion, than... | |
 | Liczba stron: 664
...for the tail begins to appear while they are in a higher, and consequently colder region thanMars. The tail is always directed to that part of the heavens which is directly opposite to the sun, and is greater after the comet has passed its perihelium than at its approach.... | |
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... the name of Comets has been given. They are distinguished from the other celestial bodies, by their ruddy appearance, and by a long train of light, called the tail, which sometimes extends over a considerable portion of the heavens, and which is so... 
