Events that can be referred to as secondary types of these are often called occultations. An Inex cycle, which is slightly less than 29 years, gives the period of time between Saros series, which are slightly more than 18 years, and a combination of those two systems allows 
Events that can be referred to as secondary types of these are often called occultations. An Inex cycle, which is slightly less than 29 years, gives the period of time between Saros series, which are slightly more than 18 years, and a combination of those two systems allows for the predictions of these events. Some types of these cause the appearance of Baily's beads. This type of syzygy [SIH-zih-jee] generally occurs when the Earth enters the penumbra [peh-NUM-brah] of the Moon. Name this blockage of sunlight.
Events that can be referred to as secondary types of these are often called occultations.
eclipse (accept lunar eclipse or solar eclipse)