Show eclipses come in series all eclipses occur in series the first one ot of which takes place at one 0 of the poles and the last at the opposite pole the whole number in the series of 0 lunar eclipses Is completed la in a period of about years while the entire series of solar eclipses covers a period of 1200 1 years yet the time ot of the beginning 0 of any 0 of these eclipses and the path of 0 totality or partial obscuration can be calculated to the moment or the mile this Is a matter difficult to explain to the amateur in language to be easily under stood the statement of 0 the tact fact is sufficient to ordinary students or observers eavers the reasons tor for totality or partial obscuration are much more in te resting simply with the passing ot of each year |