 ... 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...  The Critical Review: Or, Annals of Literature - Page 19edited by - 1789Full view - About this book
 | William Nicholson - Astronomy - 1787 - 446 pages
...tail begins to appear while they are yet in a- higher, and conie-ยป 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 - Science - 1794 - 622 pages
...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 - Physics - 1794 - 600 pages
...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 - Astronomy - 1796 - 440 pages
...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 - Astronomy - 1805 - 446 pages
...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 - Astronomy - 1808 - 452 pages
...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 - Astronomy - 1812 - 552 pages
...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 - Astronomy - 1812 - 586 pages
...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 - Astronomy - 1816 - 490 pages
...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... | |
 | 664 pages
...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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