Show eclipses come in series alii eclipses occur in series the first one kt which takes place at one of the p poles oles and the last at tho the opposite pole the whole number in the series of lunar eclipses eclips gs Is completed in a period of about years while the entire series of solar eclipses covers a period of 1200 years yet the time of the beginning of any of these eclipses and tho the path of totality or partial obscuration can be calculated to the moment or the mile this Is a matter difficult to explain to the ama teu geurin rIn language to be easily understood the statement of the tact fact is sufficient to ordinary students tents or observers the reasons for totality or partial obscuration aro are much more interesting te simply with the passing of each year |