Thursday 29 August 2013

Total Solar Eclipse November 3rd 2013 in Uganda.

The final event of 2013 is the most interesting eclipse of the year. It is one of the rare hybrid or annular/total eclipses in which some sections of the path are annular while other parts are total. The duality comes about when the vertex of the Moon's umbral shadow pierces Earth's surface at some locations, but falls short of the planet along other sections of the path. The unusual geometry is due to the curvature of Earth's surface that brings some geographic locations into the umbra while other positions are more distant and enter the antumbral rather than umbral shadow. In most cases, the central path begins annular, changes to total for the middle portion of the track, and reverts back to annular towards the end of the path. However, November 3 eclipse is even more unique because the central path to begins annular and ends total. Because hybrid eclipses occur near the vertex of the Moon's umbral/antumbral shadows, the central path is typically quite narrow.Curving reaches the western border of Uganda, Sweeping over northern Kenya, the path crosses Lake Turkana. This is the 23rd eclipse of Saros 143, the series began on 1617 Mar 07 with a string of 10 partial eclipses. The first of 12 total eclipses occurred on 1797 Jun 24. The 2013 event is the first of 4 hybrids of the series before transitioning to pure annular eclipses beginning 2085 Dec 16. The series ends with a set of 20 partial eclipses the last of which occurs on 2897 Apr 23. In Uganda the Total Solar Eclipse passes November 3rd and the best place to be is just outside of Murchison Falls National Park  for this once in hundredth of year’s natural occurrence Murchison falls

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