... two principal parts, while the heliocentric ecliptic coordinate system provides an ... s heliocentric distance, true anomaly and ecliptic longitude, so that a look-up ...
... The place where the comet crossed the ecliptic is a green cross. ... above), and so just the positions where the trails intersect the ecliptic are shown ... so that there is no intersection with the ecliptic in mid-November of the year in ...
... two principal parts, while the heliocentric ecliptic coordinate system provides an ... s heliocentric distance, true anomaly and ecliptic longitude, so that a look-up ...
... The first of these is marked with a scale of ecliptic longitude l, the direction of the First Point of Aries (l = 0), and the names and boundaries of the thirteen ecliptic constellations traversed by the Sun in the course of a year. ...
... Ecliptic Longitude: Analogous to longitude on Earth, the ecliptic longitude is measured anticlockwise along the ecliptic from the First Point of Aries to the projection of a line from the Sun to the bo dy. ...
... the dynamical evolution of these parts of trails, from the time when particles are released from the comet until the time (mid-November of some year) when they reach the ecliptic, and to specify the point where each trail section crosses the ecliptic ...
... ecliptic constellations and the directions to various astronomical objects: a ... the 13 ecliptic constellations and their corresponding ranges of ecliptic longitude ...
... The observer is also displaced by a distance Z out of the ecliptic, and the centre of the Earth must travel a further distance D, to the point where the dust sheet is a distance Z out of the ecliptic: D = Z= tan i = RE sin fi= tan i neglecting an ...
... anomaly M in 1998 to pass through the ecliptic when the Earth was in the vicinity ... 2 Figure 1: Ecliptic cross section of resonant trail, shown at ejection epoch and at ...