Definitions in Astronomy and Navigation Made Easy |
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Definitions in Astronomy and Navigation Made Easy John Bradley Harbord Δεν υπάρχει διαθέσιμη προεπισκόπηση - 2016 |
Συχνά εμφανιζόμενοι όροι και φράσεις
actual adapted altitude passing Apparent arrangement Astronomical Astronomical Day Axis azimuth book of reference called Cambridge Captain celestial concave celestial meridian CELESTIAL SPHERE centre CIRCLE CO-ORDINATES circle of altitude circle of declination Civil Day contains correct declination passing Define definitions in navigation DESCRIPTION diagrams diameter diurnal east point ecliptic elevated equinoctial EXPLANATION figure fixed fully give given the definitions glad Glossary of Navigation greatest Harbord's Heavenly Body heavens horizon hour angle hour circle passing illustrate your definitions intercepted Intersection interval knowledge latitude lines longitude loose notions mean sun natural Noon passing through X perpendicular placed plane point of Aries POLAR CO-ORDINATES polar distance pole primary great circle prime vertical proceed projection Relations represents right ascension seems Ship for Naval Sidereal south points student SURFACE THREE SYSTEMS tion uniformity west point young naval officer zenith
Δημοφιλή αποσπάσματα
Σελίδα 14 - A circle is a plane figure contained by one line, which is called the circumference, and is such, that all straight lines drawn from a certain point within the figure to the circumference are equal to one another.
Σελίδα 17 - The longitude of a heavenly body is the arc of the ecliptic intercepted between the first point of Aries and the circle of latitude passing...
Σελίδα 16 - ... equator intercepted between the first point of Aries and the circle of declination passing through the place of the body in the celestial concave.
Σελίδα 19 - Mean Solar Day is the interval between two successive transits of the mean sun over the same meridian ; it begins when the mean sun is on the meridian.
Σελίδα 19 - The sidereal day is the interval between two successive transits of the first point of Aries over the same meridian.
Σελίδα 17 - Azimuth is the angular distance of a celestial object from the north or south point of the horizon (according as it is the north or south pole which is elevated), when the object is referred to the horizon by a vertical circle ; or it is the angle comprised between two vertical planes — one passing through the elevated pole, the other through the object.
Σελίδα 19 - The interval between two successive transits of the actual sun's centre over the same meridian ; it begins when that point is on the meridian. The apparent solar day is variable in length from two causes : first, the sun does not move uniformly in the ecliptic — its apparent path sometimes describing an arc of 57', and at other times an arc of 61...
Σελίδα 17 - Owing to the obliquity of the ecliptic — the angle at which the ecliptic is inclined to the celestial equator...
Σελίδα 19 - Month. 27-32166 days, the interval between two successive passages of the Moon through the same point in her orbit relative to the fixed stars. Sidereal Noon. The instant when the First Point of Aries is on the meridian at upper CULMINATION (qv), indicated by 0 hours local sidereal time. Sidereal Period. The interval between two successive positions of a celestial body at the same point with reference to the fixed stars; the same applied to an artificial satellite as seen from the Earth, although...
Πληροφορίες βιβλιογραφίας
| Τίτλος | Definitions in Astronomy and Navigation Made Easy |
| Συγγραφέας | John Bradley Harbord |
| Εκδότης | William Blackwood & Sons, 1865 |
| Πρωτότυπο από | Πανεπιστήμιο Οξφόρδης |
| Ψηφιοποιήθηκε στις | 8 Σεπτ. 2006 |
| Μέγεθος | 29 σελίδες |
| Εξαγωγή αναφοράς | BiBTeX EndNote RefMan |