Central solar and total shadow lunar eclipses can occur at least 6 lunar months after each other. However, since the lunar month is shorter than the calendar one, one eclipse can occur at the very beginning of the year, the second – in the middle and the third – at the end. Therefore, within one year, three total lunar eclipses can occur, as was the case, for example, in 1982. Three central solar eclipses can occur, but they cannot all be complete at once. Due to the fact that the average angular diameter of the Sun is slightly larger than the angular diameter of the Moon, at least one of two consecutive central solar eclipses will be annular or, in rare cases, annular-complete. No more than two total solar eclipses can be observed in one year.
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